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# United Lens Company

Serving the Optical Industry Since 1916

## Posts

- [](https://www.unitedlens.com/3977-2/) - At ULC, we have been supporting our own tooling and fixturing needs for over 100 years. Our full service machine shop has a wide variety of machines - milling, turning, XY routing, EDM sinking, and more. Some of our most common projects in our machine shop include coating fixtures, coating material crucibles, custom polishing carriers,
- [Summer Party 2024](https://www.unitedlens.com/summer-party-2024/) - On Friday, July 25 2024, we celebrated our annual summer outing on the optical shop floor. It is not too often that we get to enjoy time together as a team and this year was a tremendous success. Employees gathered from every department, and even some of our remote employees were able to join
- [Material Forgeries a Problem for Aerospace Industry](https://www.unitedlens.com/material-forgeries-a-problem-for-aerospace-industry/) - United Lens Company has been building custom optics for over a century with customers from medical to aerospace, and in the past ten years has seen a marked increase in the desire for material testing and traceability. Initially, internal efforts to dispose of raw materials, long un-used and untraceable, were met with some skepticism from
- [United Lens Company Now Accepts Online Orders](https://www.unitedlens.com/united-lens-company-now-accepts-online-orders/) - With launch of new online catalog, ULC now accommodates ordering products online! We are proud to announce that effective immediately, all of our standard products will be available to order online via our new online catalog. As we continue to celebrate our 100th year in business, ULC has made customer-oriented improvements and community outreach initiatives.
- [ULC Honors 14 Employees for Milestones in Service](https://www.unitedlens.com/ulc-honors-14-employees-for-milestones-in-service/) - Happy Holidays from ULC! At ULC, our employees are the heart of our business and our most valuable assets. Every employee at United Lens brings a valuable talent and contribution to our organization. Their hard work and accomplishments are what ensures we deliver to our customers day after day. Every holiday season, we take the
- [The Advantages of Magneto-Rheological Finishing (MRF)](https://www.unitedlens.com/magneto-rheological-finishing-mrf/) - At United Lens Company, we are continuously committed to improving our capabilities to ensure everyone's success. This means strengthening our capabilities by investing in the right equipment and continuing to drive efficiencies in every step of the manufacturing process. Our newest capability includes Magneto-Rheological Finishing (MRF), a newer technology that involves polishing slurry being magnetically
- [High Power Laser Mirrors](https://www.unitedlens.com/united-lens-high-power-laser-mirrors/) - As laser technology advances and becomes more cost effective, more and more industrial manufacturers are incorporating them into production processes. Industrial lasers today are used everywhere from the aerospace and military/defense industries to telecommunications and a variety of other industrial manufacturing sectors. The unsung heroes of laser processing are mirrors, specifically high power laser mirrors.
- [United Lens Company Partners with SBANE](https://www.unitedlens.com/united-lens-company-partners-with-sbane/) - United Lens Company (ULC) has been a leading innovator in the optical element industry for nearly 100 years. We attribute much of ULC’s success to our custom capabilities, which are unmatched throughout the industry; moreover, we believe our dedication to customer satisfaction also sets us apart from competitors. In an effort to better serve our
- [ULC Expands Capabilities with OptiPro Machine Acquisition](https://www.unitedlens.com/ulc-expands-capabilities-with-optipro-machine-acquisition/) - New OptiPro PRO 160P Expands Rapid Prototyping Capabilities United Lens Company has acquired a new OptiPro PRO 160P, a high-speed spherical CNC polishing machine, in order to expand its polishing capability and better serve clients. This addition to our fabrication process allows for deeper vertical integration as we create some of the leading mirrors, prisms,
- [United Lens Company Honors 16 Employees for Milestones in Service](https://www.unitedlens.com/united-lens-company-honors-16-employees-for-milestones-in-service/) - Every holiday season, United Lens Company (ULC) holds a catered Christmas luncheon to thank our employees for their hard work and celebrate the year’s accomplishments. At ULC, we believe that fostering an inclusive culture is important to the success of our business; our employees are the driving force behind ULC’s outstanding manufacturing process, quick delivery
- [ULC's Guide to Precision Machining](https://www.unitedlens.com/ulcs-guide-to-precision-machining/) - At United Lens Company, we offer precision machining services for optics. We have the capacity to produce a variety of different optical shapes, including cylindrical, flat, prism, spherical and rectangular optics, as well as asymmetrical and uniquely shaped optics. We machine several different optical materials, including fused silica, fused quartz, ceramic, optical glass, filter glass
- [ULC Honors 13 Employees for Milestones in Service](https://www.unitedlens.com/ulc-honors-13-employees-for-milestones-in-service/) - At ULC, we know our employees' hard work and accomplishments are what helps us deliver to our customers day after day. Every holiday season, we take the opportunity to thank our employees for their time and dedication. The ULC team is behind our outstanding manufacturing process, quick delivery and customer service. In addition to celebrating
- [ULC Declared an Essential Business](https://www.unitedlens.com/ulc-declared-an-essential-business/) - The ULC team is dedicated to keeping our customers, suppliers and local community up to date on the status of our company's operations during this challenging time. On March 23rd, the Governor of the Commonwealth of Massachusetts, Charlie Baker, issued an emergency order requiring all businesses and organizations that do not provide “COVID-19 Essential Services”
- [Happy Memorial Day](https://www.unitedlens.com/happy-memorial-day/) - Celebrating by Remembering At United Lens Company, we have supported the military, defense and aerospace industries for decades through the manufacturing of custom-made optics. We understand that the equipment utilized in these industries must be held to the highest possible standard; national security is at stake, and using substandard equipment is simply not an option.
- [ULC Supports Local College](https://www.unitedlens.com/ulc-supports-local-college/) - South County Business Leaders RISE to Campaign Challenge On December 12, generous donors, Southbridge Savings Bank, United Lens Company, Savers Bank and Southbridge Credit Union, convened at QCC Southbridge to pledge a total of $135,000 to QCC’s $5 million RISE (Regional Investment in Service and Education RISE) Capital Campaign, under the leadership of recently retired
- [International Year of Light: Optics in Time](https://www.unitedlens.com/international-year-of-light-optics-in-time/) - Light is perhaps the most essential resource of our planet. Thanks to light’s abundant power, civilizations flourish; light nurtures life and global connectivity, and it has enriched society’s understanding of medicine, entertainment and other key facets of life. Researchers have continuously studied light through photonics, which is the science and technology of detecting and harnessing
- [100 Years of Family Ownership at United Lens Company](https://www.unitedlens.com/100-years-of-family-ownership-at-united-lens-company/) - United Lens Company (ULC) is ready to celebrate its 100th year of family ownership, American production, and pioneering technology. Founded in 1916 by Fileno DiGregorio as a modest single-furnace operation, ULC has grown to become the only truly vertically integrated company in the optical industry, offering the latest technologies and highest quality optical components per
- [ULC Expands Capabilities to Include Spherical Polishing](https://www.unitedlens.com/ulc-expands-capabilities-to-include-spherical-polishing/) - Since its founding in 1916, United Lens Company (ULC) has been dedicated to the continuous pursuit of diversification and growth in the optics industry. In order to grow, succeed and remain relevant over the course of 100 years, a company must be adaptable. It needs to meet customer requirements, or develop the capabilities required to
- [United Lens Company Brings 100 Years of Service to the Community](https://www.unitedlens.com/united-lens-company-brings-100-years-of-service-to-the-community/) - As United Lens Company (ULC) celebrates 100 years of growth and business in Southbridge, the company is also celebrating 100 years of giving back to the community. This rich tradition of contribution to the Southbridge community—initiated by ULC founder Fileno DiGregorio in 1916 and nurtured since then—is alive and well at ULC. One of the
- [Education at Work: Manufacturing Opens Up a New World](https://www.unitedlens.com/education-at-work-manufacturing-opens-up-a-new-world/) - After graduating from high school in May of 2015, Bay Path Regional Technical Vocational student Nicholas Reid was selected to participate in a manufacturing skills training program sponsored by The Chamber of Central Mass South and several local manufacturers. The grant was administered by the Chamber’s Executive Director, Alix McNitt, and funded through a regional
- [ULC Featured on Engineering.com](https://www.unitedlens.com/ulc-featured-on-engineering-com/) - Engineering.com, a worldwide aggregator of leading industry voices, recently featured United Lens Company (ULC) in an article about laser optic protection. The article recognized ULC for its innovative debris shields and original equipment manufacturer (OEMs) laser cutting protection solutions. OEMs in automotive, medical, military, and commercial industries use laser techniques to precisely cut, weld and
- [ULC Renews Registration at New ISO 9001:2015 Standard](https://www.unitedlens.com/ulc-renews-registration-at-new-iso-90012015-standard/) - Since our founding in 1916, United Lens Company (ULC) has upheld a proud, family tradition of service. ULC founder Fileno DiGregorio would begin discussions by asking his employees, “How does this benefit our customers?” Over a century later, ULC remains under the same family ownership, and our dedication to customer satisfaction is just as strong.
- [ULC Proudly Announces Christian Ramos as New Optical Shop Manager](https://www.unitedlens.com/ulc-proudly-announces-christian-ramos-as-new-optical-shop-manager/) - Christian Ramos has a reputation at ULC for being the “go to” guy for technical questions of any kind. Fully devoted to his craft, Christian has led the floor in double side polishing for several years. Over the years, he has earned the respect of peers and customers alike, and we are proud to announce
- [United Lens Company Partners with Tighe & Bond, Ironclad on $15 Million Renovation Project](https://www.unitedlens.com/united-lens-company-partners-with-tighe-bond-ironclad-on-15-million-renovation-project/) - United Lens Company (ULC) has announced it will be beginning a renovation to its main facility this spring. The renovation, a joint effort with Tighe & Bond and Ironclad Services, Inc., is estimated to cost $15 million and will bring vital updates to ULC’s current utility system. “Our company has seen a lot of changes
- [ULC Announces Samantha Briggs as Sales and Marketing Manager](https://www.unitedlens.com/ulc-announces-samantha-briggs-as-sales-and-marketing-manager/) - Over the last seven years at ULC, Samantha Briggs has shown incredible reliability and determination. Samantha has always been consistent in her strive for excellence, and when she was given an opportunity for advancement, she rose to the occasion. An immense amount of pressure and responsibility was placed on her shoulders, and through it all,
- [ULC Promotes Aaron Choleva to Training and Development Specialist](https://www.unitedlens.com/ulc-promotes-aaron-choleva-to-training-and-development-specialist/) - At ULC, Aaron Choleva is best known for his approachability. Whether he’s providing education to others or learning from them, Aaron exudes a calming presence that others revel in. In many instances, Aaron was the first impression of our company—his passion for helping new employees find their way is truly unique and admirable. His efforts
- [Latest Updates from ULC on COVID-19](https://www.unitedlens.com/latest-updates-from-ulc-on-covid-19/) - At ULC, we are committed to the health and safety of all our employees and the surrounding community. In order for everyone to remain healthy, safe and successful, we all need to work together. Given the current situation surrounding the Coronavirus (COVID-19) and all that is happening around the world, we wanted to reassure all
- [Join ULC in the Pledge to Be Safe at Work](https://www.unitedlens.com/join-ulc-in-the-pledge-to-be-safe-at-work/) - Safety Remains Our Top Priority - Happy National Safety Month! Now more than ever, safety is crucial both inside and outside the workplace. National Safety Month, celebrated annually during the month of June, focuses on saving lives and preventing injuries, from the workplace to anyplace. Safety is always priority number one at ULC. Everywhere you
- [ULC’s Guide to Optical Polishing](https://www.unitedlens.com/ulcs-guide-to-optical-polishing/) - United Lens Company (ULC) is a one-stop solution for polishing, grinding and finishing custom optics. We boast high speed polishing capabilities for single sided, double sided, spherical and cylindrical lenses on a range of different materials, including fused silica, fused quartz, ceramic, optical glass, filter glass and low expansion glass, including ZERODUR®, ULE®, BOROFLOAT® and
- [ULC's Guide to Custom Hand Molding](https://www.unitedlens.com/ulcs-guide-to-custom-hand-molding/) - At United Lens Company, we are proud to offer consumers our unparalleled hand-molding services. Our experienced molders are dedicated to ensuring that customers receive only the finest industry-compliant glass molds available. The optical industry calls for intricate and specific requirements, ranging from complexly made compact specs to quick, convenient shipping and delivery. As the world’s
- [Thin Film Coating Methods: Ion-Assisted Deposition](https://www.unitedlens.com/thin-film-coating-methods-ion-assisted-deposition/) - United Lens Company (ULC) has been a leading manufacturer of optics since our founding 100 years ago. Today, ULC is one of the optical industry’s only vertically integrated companies. We offer a range of services, including a number of optical manufacturing processes performed in our Class 1000 Cleanroom. Thin Film Coating at ULC Depending on
- [Laser Debris Shields](https://www.unitedlens.com/laser-debris-shields/) - Laser technology is constantly and quickly advancing. As laser processing technologies improve, its uses also diversify. Today, lasers are regularly used in a multitude of industries, from aerospace and industrial manufacturing, to medical and military. State-of-the-art laser optical components drive all modern laser processing systems. The workhorses that make it all possible, optical components, are
- [Colored Filters](https://www.unitedlens.com/united-lens-colored-filters/) - While lens quality, illumination level and aperture size are all important considerations in designing a machine vision system, colored filters can be instrumental in achieving the highest contrast images possible. Though seemingly insubstantial, colored filters are essential for achieving excellent image contrast and improving the overall performance of machine vision systems. They offer impressive individual
- [Test Plates and Mirror Blanks](https://www.unitedlens.com/test-plates-and-mirror-blanks/) - United Lens Company (ULC) is celebrating 100 years of business, a considerable milestone. Over the past century, we lead the industry in the manufacture of precise, high quality test plates and mirror blanks. Test plates and mirror blanks are the first step in producing industrial quality mirrors, which are most commonly found in imaging equipment,
- [The Annealing Process for Glass Material](https://www.unitedlens.com/the-annealing-process-for-glass-material/) - The annealing process is critical to the durability of glass. Among the variety of issues for improperly annealed glass is the probability of the glass to crack or shatter from just a slight temperature change. When glass is not annealed correctly, the thermal stress can significantly decrease the overall strength of the glass. The Annealing
- [The Benefits of Laser Debris Shields](https://www.unitedlens.com/the-benefits-of-laser-debris-shields/) - ULC is the one-stop solution for precision optics products since 1916. Over the decades, rapid advancements in laser technology have led to the proliferation of laser products in the commercial and industrial markets. Laser equipment provides manufacturers with notable capabilities; however, laser optical components are very sensitive and prone to frequent damage. Processes such as
- [Learn the Advantages of Wiresaw Slicing](https://www.unitedlens.com/learn-the-advantages-of-wiresaw-slicing/) - At United Lens Company, we are dedicated to shared success. When we're successful, our customers are successful, and we are continuously committed to improving our capabilities to ensure everyone success. This means strengthening our capabilities by investing in the right equipment and continuing to drive efficiencies in every step of the manufacturing process. Our six

## Pages

- [Home](https://www.unitedlens.com/) - Thin Film CoatingULC provides a broad range of optical coating services, ranging from anti-reflection and protected or enhanced metal mirrors consisting of 1-9 layers, to dielectric polarizers and beam splitters consisting of 60+ layers. These coatings can be applied to optics up to 23″ in diameter, having various shapes and sizes, with either plano or
- [Quality Management](https://www.unitedlens.com/compliance/quality-management/) - HomeQuality ManagementQuality Management At United Lens Company, we believe quality of our product should be a given. We want you to receive good, reliable parts every time. We work hard year-round to maintain a quality management system. We are proudly ISO 9001:2015 certified. It may come as no surprise to you that industry standard specifications
- [Leadership](https://www.unitedlens.com/about/leadership/) - William LannonChairmanMaxwell LannonPresident, CEOTara KingExecutive Vice PresidentLauren MorissetteSales Office ManagerSilvia ReyCompliance ManagerMary PikoraCoating Production ManagerChristian RamosOptical Shop Production Manager
- [FAQs](https://www.unitedlens.com/about/faqs/) - HomeFAQsFAQs General ULC Info How long have you been in business?United Lens Company (ULC) opened in 1916 primarily specializing in molded blanks for the ophthalmic industry. We have been open for over a century already, and in that time, we have become a truly vertically integrated optics manufacturer, increasing our capabilities to include precision machining,
- [Optical Lens Finishing](https://www.unitedlens.com/capabilities/optical-lens-finishing-ad-2/) - Optical Lens Finishing United Lens Company—a vertically integrated optics manufacturer—has been providing a variety of lens finishing services for nearly 50 years. The term “finishing” in the optical industry can be a broad term used to express the final manufacturing processes used to provide a finished (or completed) optic ready to be used in the
- [History](https://www.unitedlens.com/about/history/) - HomeHistoryHistory 1910s United Lens Company (ULC) was founded by Fileno DiGregorio and his brother Sabatino DiGregorio in 1916. They started out as a small shop with only $450 in capital and one molding furnace. 1930s In 1934, ULC was incorporated and officially became United Lens Company, Inc. In 1935, Sabatino left the company to return
- [Stocked Optics](https://www.unitedlens.com/stocked-optics/) - HomeStocked OpticsStocked Optics United Lens Company is proud to offer five distinct product lines for some of the most commonly used consumable optics in the industry. By offering these optics to you as in-stock items, we are able to take advantage of the most efficient streamlined production processes available at our facility. Manufacturing these in
- [Optical Glass](https://www.unitedlens.com/materials/optical-glass/) - HomeOptical GlassOptical Glass Optical glass is an industry-known material category that encompasses a very large variety of glass options with different grades and specifications. Optical glass has served as the backbone of the optics industry since the beginning, enabling an endless amount of potential application benefits. Incorporating ecological friendly glass options that are both lead
- [Colored Filter Glass](https://www.unitedlens.com/materials/colored-filter-glass/) - HomeColored Filter GlassColored Filter Glass Colored filter glass can be instrumental in achieving the highest contrast image possible in your machine vision systems design. Providing high transmittance, reliable quality and durability as well as minimum polarization effects, colored filters offer impressive individual benefits that greatly improve a machine vision systems performance. Colored filters are not
- [Fused Quartz](https://www.unitedlens.com/materials/fused-quartz/) - HomeFused QuartzFused Quartz Fused quartz is a low aluminum content material with an extremely low level of bubble and inclusion, which is created through a flame fusion process of high-purity silica powder. This manufacturing process creates a fused quartz material that is a good electrical insulator, retaining high resistivity and excellent high frequency characteristics at
- [Fused Silica](https://www.unitedlens.com/materials/fused-silica/) - HomeFused SilicaFused Silica With an extremely low refractive index resulting in renowned homogeneity and birefringence values, an ultra-low thermal expansion coefficient, and transmittance across a large part of the spectrum, fused silica offers your application excellent optical qualities. Fused silica is an advanced non-crystalline glass form of silicon dioxide (quartz sand) commonly used in many
- [Low Expansion Glass](https://www.unitedlens.com/materials/low-expansion-glass/) - HomeLow Expansion GlassLow Expansion Glass Low expansion glass is all about the extreme low thermal expansion properties these types of glass can offer your application. Low expansion materials also often offer lower levels of inclusions, striae and overall internal stress, as well as excellent chemical stability. These qualities enable low expansion glass to be an
- [Products Insert - Witness Samples](https://www.unitedlens.com/products-insert-witness-samples/) - United Lens Company’s optical witness samples are ideal to use as test pieces for a variety of environmental testing requirements and measuring coatings for spectral performance. They are a cost-effective, high quality choice, made in America at an affordable price. We manufacture witness samples in a variety of 185+ materials, making it a conveniently available
- [Test Plates / Mirror Blanks](https://www.unitedlens.com/stocked-optics/test-plates-mirror-blanks/) - United Lens Company’s test plates and mirror blanks are provided to our customers as either hand crafted molded blanks or precision machined cut blanks. They are manufactured in-house by our highly skilled molders and machinists from in-stock raw materials. They are available in a variety of diameter sizes and ranging in thickness from 25.40mm to
- [Annealing](https://www.unitedlens.com/capabilities/annealing/) - HomeAnnealingAnnealing Arguably the most important part of any optical glass component build is the annealing process. With over a century of annealing know-how, United Lens understands the challenges of dealing with strain in a highly sensitive glass blank. This creates the increased likelihood of fracture, and the surface may be difficult to polish—the wave patterns may hold
- [Precision Machining](https://www.unitedlens.com/capabilities/precision-machining/) - HomePrecision MachiningPrecision Machining ULC’s precision machining occurs in what we call “The Service Center.” Here is where we machine all types of materials—and create all types of geometries! Our exhaustive equipment and focus on continual improvement means we are constantly investing in ourselves and our customers. We will help your blank design become a reality, be it cylindrical,
- [Laser Debris Shields](https://www.unitedlens.com/stocked-optics/laser-debris-shields/) - United Lens’ laser debris shields are a durable OEM laser accessory replacement made with unrivaled quality at an affordable price. With an extremely low absorption and high damage threshold, our shields help protect and prolong the life of both CW and pulsed laser systems. All shields are verified for absolute reflection on our state-of-the-art, calibration
- [Thin Film Coating](https://www.unitedlens.com/capabilities/thin-film-coating/) - HomeThin Film CoatingThin Film Coating (Optical Lens Coating) ULC provides a broad range of optical coating services, ranging from anti-reflection and protected or enhanced metal mirrors consisting of 1-9 layers, to dielectric polarizers and beam splitters consisting of 60+ layers. These coatings can be applied to optics up to 23″ in diameter, having various shapes
- [Thin Film Coating](https://www.unitedlens.com/capabilities/thin-film-coating-ad-2/) - Thin Film Coating / Optical Lens Coating United Lens Company has been providing thin film coating services for more than 40 years. Our home grown techniques, coupled with the latest technology and our extremely talented optical coating teams, help us achieve and prove that our coatings are some of the best in the world. ULC’s
- [Optical Lens Polishing](https://www.unitedlens.com/capabilities/optical-lens-polishing-ad-2/) - Optical Lens Polishing United Lens Company has been providing lens polishing services for nearly 50 years. We use a variety of different polishing compounds and advanced techniques to polish optical lens components in any quantity you need. Our cutting edge machinery and investment in technologies allows our operators to provide you with components up to
- [Optical Lens Machining](https://www.unitedlens.com/capabilities/optical-lens-machining-ad-2/) - Optical Lens Machining / Precision Machining United Lens Company machines all types of optical lenses—and create all types of geometries! Our exhaustive equipment and focus on continual improvement means we are constantly investing in ourselves and our customers. We will help your blank design become a reality, be it cylindrical, flat, a prism, or in
- [Optical Lens Grinding](https://www.unitedlens.com/capabilities/optical-lens-grinding-ad-2/) - Optical Lens Grinding / Machine Grinding United Lens Company machine grinds all types of optical lenses—and create all types of geometries! Our exhaustive equipment and focus on continual improvement means we are constantly investing in ourselves and our customers. We will help your blank design become a reality, be it cylindrical, flat, a prism, or
- [Custom Optics](https://www.unitedlens.com/custom-optics-ad-2/) - Custom Glass Optics / Custom Lenses At United Lens Company, custom optics manufacturing is the core of our business. From our modest beginnings as a producer of custom hand molded spectacle lens blanks for the ophthalmic industry, to our now more diverse offerings of precision machined blanks, polished substrates and thin film coated optical components,
- [Military & Defense](https://www.unitedlens.com/industries/military-and-defense/) - HomeMilitary & DefenseMilitary & Defense Industries ULC is proud to be a key supplier to the military and defense industry. We understand that when national security is at stake, you can only accept the best, most trusted source. Substandard optics are simply not an option. Thanks to our precision and commitment to quality, we are proud to be the
- [Medical & Bioscience](https://www.unitedlens.com/industries/medical-and-bioscience/) - HomeMedical & BioscienceMedical & Bioscience Industries We have been manufacturing custom optics for the medical and bioscience industry for generations. We have created components for cytometry, worked with pharmaceutical companies on saliva and aerosol diagnostic devices, developed reflectors for cancer screening equipment, and made parts for endoscopic and surgical visualization machines. When the COVID-19 pandemic hit,
- [Laser](https://www.unitedlens.com/industries/laser/) - HomeLaserLaser Industry ULC is very proud to be a valuable supplier to the dynamic, fast-growing laser industry. With the exponential technological advances of our time, lasers are becoming more critical to our everyday lives. Lasers are now found in entertainment, information processing, weapons, automotive manufacturing, and so much more. They are used to study our solar system
- [Industrial & Commercial](https://www.unitedlens.com/industries/industrial-and-commercial/) - HomeIndustrial & CommercialIndustrial & Commercial Industries If you’ve ever wondered about the scanners at the grocery checkout, the touch screen on your phone, or the camera on your baby monitor, you’ve been thinking about your encounters with commercial and industrial optics! Some of our most interesting projects have come from the commercial and industrial markets. We enjoy
- [Fiber Optics & Telecommunications](https://www.unitedlens.com/industries/fiber-optics-and-telecommunications/) - HomeFiber Optics & TelecommunicationsFiber Optics & Telecommunications Industries United Lens Company is experienced in processing fiber optic components. Edging of rods for draw towers is possible in lengths up to 1000mm, with precision tolerancing of +/-100 microns. Variable surface finishes are available per customer request. ULC also polishes customer supplied faceplates. If you break down what fiber optics encompasses, you
- [Astronomical](https://www.unitedlens.com/industries/astronomical/) - HomeAstronomicalAstronomical Industry Astronomy, or the study of celestial bodies and matter in space, has always been one of our cornerstones throughout the century we’ve been in business. We love to encourage curious minds by providing amateur astronomers with blanks that they can polish themselves to turn into primary or secondary mirrors for their amazing telescopes.
- [Products Insert - Test Plates / Mirror Blanks](https://www.unitedlens.com/products-insert-test-plates-mirror-blanks/) - United Lens Company's test plates and mirror blanks are provided to our customers as either hand crafted molded blanks or precision machined cut blanks. Details of our test plates and mirror blanks include: They are manufactured in-house by our highly skilled molders and machinists from in-stock raw materials. They are available in a variety of
- [Privacy Policy](https://www.unitedlens.com/privacy-policy/) - HomePrivacy PolicyPrivacy Policy United Lens Company respects your privacy and our site visitors’ information. We do not share, sell, or rent any of the information collected to any third parties and do not intend to do so in the future. Information Collected If you request or submit information to us by sending an email via
- [Materials](https://www.unitedlens.com/materials/) - HomeMaterialsMaterials With over 100 years of optical manufacturing experience, here at United Lens Company we understand the vital role that material plays in every application and how important it is to establish the correct material from the start. At ULC, we maintain an entire inventory of raw materials in stock. By investing in keeping inventory
- [Custom Optics](https://www.unitedlens.com/custom-optics/) - HomeCustom OpticsCustom Optics Custom optics manufacturing is the core of ULC’s business. From our modest beginnings as a producer of custom hand molded spectacle lens blanks for the ophthalmic industry, to our now more diverse offerings of precision machined blanks, polished substrates and thin film coated optical components, the heart of our business has always
- [Export](https://www.unitedlens.com/compliance/export/) - HomeExportExport ULC is DDTC registered and ITAR compliant. As a manufacturer within the United States that is engaged in the export and import of products, these things are a necessity. ITAR, or International Traffic in Arms Regulations compliance, refers to all U.S. laws and regulations in which we follow that govern international business operations here
- [Cleaning & Packaging](https://www.unitedlens.com/compliance/cleaning-and-packaging/) - HomeCleaning & PackagingCleaning & Packaging All of the hard work put into producing a perfectly specified component that meets all of the customers’ requirements can be quickly rendered insignificant if the proper cleaning and packaging procedures are not considered. Manufacturing the perfect part won’t matter if it’s flawed when it arrives at the end consumer.
- [Polishing](https://www.unitedlens.com/capabilities/polishing/) - HomePolishingPolishing Our key to providing you with precision begins with our employees. Our highly trained opticians and operators are polishing components in any quantity you need. Our cutting edge machinery and investment in technologies allows our operators to provide you with components up to 18 inches in diameter, with additional fabrication capabilities that can provide surface
- [Inspection Data](https://www.unitedlens.com/compliance/inspection-data/) - HomeInspection DataInspection Data Inspection is vital to all aspects of any success. In manufacturing, consistent product, process and work environment inspection are important aspects in producing flawless components, and this certainly rings true of manufacturing in the optics industry. Happy employees in a favorable quality controlled environment produce better quality parts. Regular inspection of all
- [About](https://www.unitedlens.com/about/) - HomeAboutAbout United Lens Company United Lens Company has a long tradition of service to the optical industry, and our commitment is ongoing to the industry, our customers and our employees. Since our founding in 1916 by Fileno DiGregorio, ULC has been under the same continuous family ownership, becoming the only true vertically integrated company in
- [Request a Quote](https://www.unitedlens.com/request-a-quote/) - HomeRequest a QuoteRequest a Quote To request a quote, please fill out the form below. We will reply as soon as possible. Let’s Talk! United Lens Company 259 Worcester Street Southbridge, MA 01550-1325 Phone: 508-765-5421 Fax: 508-765-0500 XLinkedInYouTubeInstagramContact Us Today!
- [Contact](https://www.unitedlens.com/contact/) - HomeContactContact ULC To contact us, please fill out the form below. We will reply as soon as possible. Let’s Talk! United Lens Company 259 Worcester Street Southbridge, MA 01550-1325 Phone: 508-765-5421 Fax: 508-765-0500 XLinkedInYouTubeInstagramRequest a Quote Now!
- [Why Work for ULC?](https://www.unitedlens.com/about/why-work-for-ulc/) - HomeWhy Work for ULC?Why Work for ULC? Choosing where to work and who to work with, establish a career, and building a life can be complex decisions to make. Having a job is a necessity for all—there are bills to pay, responsibilities to uphold, and there is always something that needs fixing around the house,
- [Fileno DiGregorio](https://www.unitedlens.com/about/fileno-digregorio/) - HomeFileno DiGregorioFileno DiGregorio Founder of United Lens Company Born in Bolognano, a small village in the province of Pescara, Italy, Fileno came to the U.S. for the first time in 1901 at the age of 16, with big dreams of happiness and fortune in America. Fileno worked in the stone quarries of Pennsylvania, saving every
- [eBooks](https://www.unitedlens.com/resources/ebooks/) - Continually learning and striving to stretch the bounds of what’s possible is the fun part! Here at ULC, we believe that when we learn together, we grow together, and we value each opportunity to teach, learn and grow within the optics community. “Every accomplishment starts with the decision to try.” – John F. Kennedy Let
- [Aerospace](https://www.unitedlens.com/industries/aerospace/) - HomeAerospaceAerospace Industry ULC has been servicing the aerospace industry since its inception. During World War II, United Lens Company was called upon by the United States government to begin producing lens blanks for the military industrial complex. Our blanks were used for weaponry, aerospace and defense vehicle components, and military scopes. We continue our proud service
- [Products Insert - Laser Debris Shields](https://www.unitedlens.com/products-insert-laser-debris-shields/) - Our laser debris shields are a durable OEM laser accessory replacement made with unrivaled quality at an affordable price. Details of our laser debris shields include: With an extremely low absorption and high damage threshold, our shields help protect and prolong the life of both CW and pulsed laser systems. All shields are verified for
- [Compliance](https://www.unitedlens.com/compliance/) - HomeComplianceCompliance Conforming to and upholding a fair process, that is the reality of compliance. Whether it be compliance to a specification, policy, standard or law, the ULC team takes their duty to regulate compliance in everything we do with ever evolving determination. Learn more about how we ensure compliance in Quality Management, Inspection Data, Metrology,
- [Commitment to Going Green](https://www.unitedlens.com/about/commitment-to-going-green/) - HomeCommitment to Going GreenCommitment to Going Green United Lens Company is committed to growth while continuously improving on the environmental footprint we leave behind. As a company that has been in business for over a century, there have been a lot of changes and upgrades along the way. In recent years, we have made great
- [Community Outreach](https://www.unitedlens.com/about/community-outreach/) - HomeCommunity OutreachCommunity Outreach ULC has a long history of engagement in community outreach efforts. It has always been a core belief of our leadership that supporting your fellow human helps everyone in the community as a whole. From our founder Fileno’s tireless contributions to numerous national, state and local organizations like the American Cancer Society,
- [404 Error](https://www.unitedlens.com/404-error/) - Home404 ErrorOops! The page you are looking for cannot be found. Please use the navigation at the top or bottom of the site to get back on track. Learn More About Us About ULCHistoryLeadershipFAQsCommunity OutreachCommitment to Going GreenCareersWhy Work for ULC?ComplianceContactRequest a Quote
- [Search Results](https://www.unitedlens.com/search-results/) - View search results for a specific keyword, term or phrase and click the related links to learn more.
- [News](https://www.unitedlens.com/news/) - October 2, 2024At ULC, we have been supporting our own tooling and fixturing needs for over 100 years. Our full service machine shop has a wide variety of machines – milling, turning, XY routing, EDM sinking, and more. Some of our most common projects in our machine shop include coating fixtures, coating material crucibles, custom
- [Videos](https://www.unitedlens.com/resources/videos/) - Learn More About Optics Manufacturing at United Lens All Things Optics Manufacturing at United Lens Company Thin Film Coating at ULC Coating Metrology at United Lens Ultrasonic Cleaning at ULC Precision Machining of Optics at United Lens Vertical Machining Center Wiresaw Slicing at United Lens Waterjet Cutting at ULC Annealing at ULC Inventory Management at
- [Resources](https://www.unitedlens.com/resources/) - eBooksVideosGalleries
- [Galleries](https://www.unitedlens.com/resources/galleries/) - Internal Machine Shop15Annealing14Custom Hand Molding36Precision Machining36Grinding & Polishing27Thin Film Coating28Quality Assurance24Company Culture58
- [Blog](https://www.unitedlens.com/blog/) - Material Forgeries a Problem for Aerospace IndustryJuly 29, 2024United Lens Company has been building custom optics for over a century with customers from medical to aerospace, and in the past ten years has seen a marked increase in the desire for material testing and traceability. Initially, internal efforts to dispose of raw materials, long un-used
- [Industries](https://www.unitedlens.com/industries/) - Home ULC Declared an Essential Business Search Results Products Insert – Witness Samples Cart Checkout My Account Products Insert – High Power Laser Mirrors Products Insert – Colored Filters Products Insert – Test Plates / Mirror Blanks
- [Trade Shows & Events](https://www.unitedlens.com/trade-shows-and-events/) - HomeTrade Shows & EventsTrade Shows & Events There are currently no active events on our schedule. Please check back later or follow us on social media to stay up-to-date on our latest announcements. Learn More About Us About ULCHistoryLeadershipFAQsCommunity OutreachCommitment to Going GreenCareersWhy Work for ULC?ComplianceContactRequest a Quote
- [Capabilities](https://www.unitedlens.com/capabilities/) - ULC manufactures your custom-designed optics using state-of-the-art equipment and 100+ years of refined technical manufacturing experience. We’ve invested in the largest raw material inventory in the industry to provide you with fast, reliable turnaround—all under one roof. Our full service in-house machine shop allows us to design and create tooling for each unique job quickly and effectively. We
- [Metrology](https://www.unitedlens.com/compliance/metrology/) - HomeMetrologyMetrology Optical metrology is the act of defining measurements through the utilization of light. Through the knowledge of science and advanced technologies, light is used to set standards which define units of measurement for high-precision verification. United Lens Company employs state-of-the-art metrology, including interferometers, surface roughness analyzers, automated optical vision scopes, environmental chambers, spectrophotometers and
- [Products Insert - Colored Filters](https://www.unitedlens.com/products-insert-colored-filters/) - United Lens Company’s colored filter product line is manufactured using a wide variety of SCHOTT optical filter glass types, and each item adheres to our high quality standards. Characteristics of our colored filters include: Inspected per MIL-PRF-13830B: All colored filters are inspected for surface quality compliance.
- [Products Insert - High Power Laser Mirrors](https://www.unitedlens.com/products-insert-high-power-laser-mirrors/) - United Lens Company’s laser mirrors offer high performance at an affordable price. Details of our laser mirrors include: High Damage Thresholds: Each batch of mirrors is checked by a third party test facility for damage threshold compliance. High Reflectivity: All laser mirrors are verified for absolute reflection on our state-of-the-art, calibration maintained spectrophotometers. Clean Packaging:

## Products

- [Laser Debris Shield](https://www.unitedlens.com/product/laser-debris-shield-ulc-ds-50/)
- [Laser Debris Shield](https://www.unitedlens.com/product/laser-debris-shield-ulc-ds-134/)
- [Test Plate](https://www.unitedlens.com/product/test-plate-ul-26/)
- [Test Plate](https://www.unitedlens.com/product/test-plate-ul-23/)
- [Test Plate](https://www.unitedlens.com/product/test-plate-ul-28/)
- [Laser Debris Shield](https://www.unitedlens.com/product/laser-debris-shield-ulc-ds-55/)
- [Test Plate](https://www.unitedlens.com/product/test-plate-ul-22/)

## eBooks

- [A Guide to Pioneering in Polishing with OptiPro Pro 160P](https://www.unitedlens.com/ebook/a-guide-to-pioneering-in-polishing-with-optipro-pro-160p/)
- [A Guide to Debris Shield Manufacturing & Procurement](https://www.unitedlens.com/ebook/a-guide-to-debris-shield-manufacturing-and-procurement/)
- [The Importance of Correctly Specified Glass](https://www.unitedlens.com/ebook/the-importance-of-correctly-specified-glass/)
- [A Guide to Thin Film Coating](https://www.unitedlens.com/ebook/a-guide-to-thin-film-coating/)
- [The Advantages of Wiresaw Slicing](https://www.unitedlens.com/ebook/the-advantages-of-wiresaw-slicing/)
- [Coating Performance Specifications](https://www.unitedlens.com/ebook/coating-performance-specifications/)
- [The Advantages of Magneto-Rheological Finishing (MRF)](https://www.unitedlens.com/ebook/the-advantages-of-magneto-rheological-finishing-mrf/)

## Videos

- [Thin Film Coating at ULC](https://www.unitedlens.com/video/thin-film-coating-at-ulc/)
- [Learn More About Optics Manufacturing at United Lens](https://www.unitedlens.com/video/learn-more-about-optics-manufacturing-at-united-lens/)
- [All Things Optics Manufacturing at United Lens Company](https://www.unitedlens.com/video/all-things-optics-manufacturing-at-united-lens-company/)
- [Coating Metrology at United Lens](https://www.unitedlens.com/video/coating-metrology-at-united-lens/)
- [Ultrasonic Cleaning at ULC](https://www.unitedlens.com/video/ultrasonic-cleaning-at-ulc/)
- [Precision Machining of Optics at United Lens](https://www.unitedlens.com/video/precision-machining-of-optics-at-united-lens/)
- [Vertical Machining Center](https://www.unitedlens.com/video/vertical-machining-center/)
- [Wiresaw Slicing at United Lens](https://www.unitedlens.com/video/wiresaw-slicing-at-united-lens/)
- [Waterjet Cutting at ULC](https://www.unitedlens.com/video/waterjet-cutting-at-ulc/)
- [Annealing at ULC](https://www.unitedlens.com/video/annealing-at-ulc/)
- [Inventory Management at United Lens](https://www.unitedlens.com/video/inventory-management-at-united-lens/)
- [United Lens Machine Shop](https://www.unitedlens.com/video/united-lens-machine-shop/)

## Galleries

- [52 Company Culture](https://www.unitedlens.com/gallery/52-company-culture/)
- [51b Company Culture](https://www.unitedlens.com/gallery/51b-company-culture/)
- [51 Company Culture](https://www.unitedlens.com/gallery/51-company-culture/)
- [50 Company Culture](https://www.unitedlens.com/gallery/50-company-culture/)
- [49 Company Culture](https://www.unitedlens.com/gallery/49-company-culture/)
- [48 Company Culture](https://www.unitedlens.com/gallery/48-company-culture/)
- [47 Company Culture](https://www.unitedlens.com/gallery/47-company-culture/)
- [46 Company Culture](https://www.unitedlens.com/gallery/46-company-culture/)
- [45 Company Culture](https://www.unitedlens.com/gallery/45-company-culture/)
- [44 Company Culture](https://www.unitedlens.com/gallery/44-company-culture/)
- [43 Company Culture](https://www.unitedlens.com/gallery/43-company-culture/)
- [42 Company Culture](https://www.unitedlens.com/gallery/42-company-culture/)
- [41 Company Culture](https://www.unitedlens.com/gallery/41-company-culture/)
- [40 Company Culture](https://www.unitedlens.com/gallery/40-company-culture/)
- [39b Company Culture](https://www.unitedlens.com/gallery/39b-company-culture/)
- [39 Company Culture](https://www.unitedlens.com/gallery/39-company-culture/)
- [38 Company Culture](https://www.unitedlens.com/gallery/38-company-culture/)
- [37 Company Culture](https://www.unitedlens.com/gallery/37-company-culture/)
- [36 Company Culture](https://www.unitedlens.com/gallery/36-company-culture/)
- [35 Company Culture](https://www.unitedlens.com/gallery/35-company-culture/)
- [34 Company Culture](https://www.unitedlens.com/gallery/34-company-culture/)
- [33 Company Culture](https://www.unitedlens.com/gallery/33-company-culture/)
- [32 Company Culture](https://www.unitedlens.com/gallery/32-company-culture/)
- [31 Company Culture](https://www.unitedlens.com/gallery/31-company-culture/)
- [30 Company Culture](https://www.unitedlens.com/gallery/30-company-culture/)
- [29 Company Culture](https://www.unitedlens.com/gallery/29-company-culture/)
- [28b Company Culture](https://www.unitedlens.com/gallery/28b-company-culture/)
- [28 Company Culture](https://www.unitedlens.com/gallery/28-company-culture/)
- [27 Company Culture](https://www.unitedlens.com/gallery/27-company-culture/)
- [26 Company Culture](https://www.unitedlens.com/gallery/26-company-culture/)
- [25 Company Culture](https://www.unitedlens.com/gallery/25-company-culture/)
- [24 Company Culture](https://www.unitedlens.com/gallery/24-company-culture/)
- [23 Company Culture](https://www.unitedlens.com/gallery/23-company-culture/)
- [22b Company Culture](https://www.unitedlens.com/gallery/22b-company-culture/)
- [22 Company Culture](https://www.unitedlens.com/gallery/22-company-culture/)
- [21 Company Culture](https://www.unitedlens.com/gallery/21-company-culture/)
- [20 Company Culture](https://www.unitedlens.com/gallery/20-company-culture/)
- [19 Company Culture](https://www.unitedlens.com/gallery/19-company-culture/)
- [18 Company Culture](https://www.unitedlens.com/gallery/18-company-culture/)
- [17 Company Culture](https://www.unitedlens.com/gallery/17-company-culture/)
- [16 Company Culture](https://www.unitedlens.com/gallery/16-company-culture/)
- [14 Company Culture](https://www.unitedlens.com/gallery/14-company-culture/)
- [13 Company Culture](https://www.unitedlens.com/gallery/13-company-culture/)
- [12 Company Culture](https://www.unitedlens.com/gallery/12-company-culture/)
- [11 Company Culture](https://www.unitedlens.com/gallery/11-company-culture/)
- [10 Company Culture](https://www.unitedlens.com/gallery/10-company-culture/)
- [09 Company Culture](https://www.unitedlens.com/gallery/09-company-culture/)
- [08 Company Culture](https://www.unitedlens.com/gallery/08-company-culture/)
- [06b Company Culture](https://www.unitedlens.com/gallery/06b-company-culture/)
- [06 Company Culture](https://www.unitedlens.com/gallery/06-company-culture/)
- [05 Company Culture](https://www.unitedlens.com/gallery/05-company-culture/)
- [04b Company Culture](https://www.unitedlens.com/gallery/04b-company-culture/)
- [04 Company Culture](https://www.unitedlens.com/gallery/04-company-culture/)
- [03b Company Culture](https://www.unitedlens.com/gallery/03b-company-culture/)
- [03 Company Culture](https://www.unitedlens.com/gallery/03-company-culture/)
- [02b Company Culture](https://www.unitedlens.com/gallery/02b-company-culture/)
- [02 Company Culture](https://www.unitedlens.com/gallery/02-company-culture/)
- [01 Company Culture](https://www.unitedlens.com/gallery/01-company-culture/)
- [24 Environmental Chamber](https://www.unitedlens.com/gallery/24-environmental-chamber/)
- [23 Salt Fog](https://www.unitedlens.com/gallery/23-salt-fog/)
- [22 Spectro](https://www.unitedlens.com/gallery/22-spectro/)
- [21 Spectro](https://www.unitedlens.com/gallery/21-spectro/)
- [20 Clean Room](https://www.unitedlens.com/gallery/20-clean-room/)
- [19 Clean Room](https://www.unitedlens.com/gallery/19-clean-room/)
- [18 Zygo](https://www.unitedlens.com/gallery/18-zygo/)
- [17 Lens Bench](https://www.unitedlens.com/gallery/17-lens-bench/)
- [16 Lens Bench](https://www.unitedlens.com/gallery/16-lens-bench/)
- [15 New Zygo](https://www.unitedlens.com/gallery/15-new-zygo/)
- [14 GPI](https://www.unitedlens.com/gallery/14-gpi/)
- [13 Polish Interfer](https://www.unitedlens.com/gallery/13-polish-interfer/)
- [12 Small Interfer](https://www.unitedlens.com/gallery/12-small-interfer/)
- [11 Quality Assurance](https://www.unitedlens.com/gallery/11-quality-assurance/)
- [10 Dark Interferometer](https://www.unitedlens.com/gallery/10-dark-interferometer/)
- [09 Interferometer](https://www.unitedlens.com/gallery/09-interferometer/)
- [08 MST](https://www.unitedlens.com/gallery/08-mst/)
- [07 New View](https://www.unitedlens.com/gallery/07-new-view/)
- [06 Quality Assurance](https://www.unitedlens.com/gallery/06-quality-assurance/)
- [05 Quality Assurance](https://www.unitedlens.com/gallery/05-quality-assurance/)
- [04 Precision Machining Vision](https://www.unitedlens.com/gallery/04-precision-machining-vision/)
- [03 Precision Machining Smartscope](https://www.unitedlens.com/gallery/03-precision-machining-smartscope/)
- [02 Precision Machining](https://www.unitedlens.com/gallery/02-precision-machining/)
- [01 Inspection](https://www.unitedlens.com/gallery/01-inspection/)
- [13 Thin Film Coating](https://www.unitedlens.com/gallery/13-thin-film-coating/)
- [14 Thin Film Coating](https://www.unitedlens.com/gallery/14-thin-film-coating/)
- [15 Thin Film Coating](https://www.unitedlens.com/gallery/15-thin-film-coating/)
- [25 Interferometer](https://www.unitedlens.com/gallery/25-interferometer/)
- [24 Coat Sphere](https://www.unitedlens.com/gallery/24-coat-sphere/)
- [23 Environmental Chamber](https://www.unitedlens.com/gallery/23-environmental-chamber/)
- [22 Thin Film Coating](https://www.unitedlens.com/gallery/22-thin-film-coating/)
- [21 Salt Fog](https://www.unitedlens.com/gallery/21-salt-fog/)
- [20 Thin Film Coating](https://www.unitedlens.com/gallery/20-thin-film-coating/)
- [19 Spectro](https://www.unitedlens.com/gallery/19-spectro/)
- [18 Metrology Coating](https://www.unitedlens.com/gallery/18-metrology-coating/)
- [17 Aerospace Piece](https://www.unitedlens.com/gallery/17-aerospace-piece/)
- [16 Clean Room](https://www.unitedlens.com/gallery/16-clean-room/)
- [12 Hand Wash](https://www.unitedlens.com/gallery/12-hand-wash/)
- [11 Coating Ion Beam](https://www.unitedlens.com/gallery/11-coating-ion-beam/)
- [10 Coating Controls](https://www.unitedlens.com/gallery/10-coating-controls/)
- [09 Coating Controls](https://www.unitedlens.com/gallery/09-coating-controls/)
- [08 Coating Chamber](https://www.unitedlens.com/gallery/08-coating-chamber/)
- [07 Coating Chamber](https://www.unitedlens.com/gallery/07-coating-chamber/)
- [06 Coating Chamber](https://www.unitedlens.com/gallery/06-coating-chamber/)
- [05 Coating Chamber](https://www.unitedlens.com/gallery/05-coating-chamber/)
- [04 Coating Chamber](https://www.unitedlens.com/gallery/04-coating-chamber/)
- [03 Coating Chamber](https://www.unitedlens.com/gallery/03-coating-chamber/)
- [02ab Pre Coating](https://www.unitedlens.com/gallery/02ab-pre-coating/)
- [02b Pre Coating](https://www.unitedlens.com/gallery/02b-pre-coating/)
- [02a Coating Plates](https://www.unitedlens.com/gallery/02a-coating-plates/)
- [02 Coating Room](https://www.unitedlens.com/gallery/02-coating-room/)
- [01 Coating Department](https://www.unitedlens.com/gallery/01-coating-department/)
- [20 Grinding & Polishing](https://www.unitedlens.com/gallery/20-grinding-and-polishing/)
- [23 Laser Cavity](https://www.unitedlens.com/gallery/23-laser-cavity/)
- [22 Grinding & Polishing](https://www.unitedlens.com/gallery/22-grinding-polishing/)
- [21 Grinding & Polishing](https://www.unitedlens.com/gallery/21-grinding-polishing/)
- [19 Polish Wash](https://www.unitedlens.com/gallery/19-polish-wash/)
- [18 Polish Wash](https://www.unitedlens.com/gallery/18-polish-wash/)
- [17 Spherical Grind](https://www.unitedlens.com/gallery/17-spherical-grind/)
- [16 Spherical Grind](https://www.unitedlens.com/gallery/16-spherical-grind/)
- [15 Opti Pro](https://www.unitedlens.com/gallery/15-opti-pro/)
- [14 Opti Pro](https://www.unitedlens.com/gallery/14-opti-pro/)
- [13 Pitch Polish](https://www.unitedlens.com/gallery/13-pitch-polish/)
- [12 Pitch Polish](https://www.unitedlens.com/gallery/12-pitch-polish/)
- [11 Grinding & Polishing](https://www.unitedlens.com/gallery/11-grinding-polishing/)
- [10 Grinding & Polishing](https://www.unitedlens.com/gallery/10-grinding-and-polishing/)
- [09 Pitch Polish](https://www.unitedlens.com/gallery/09-pitch-polish/)
- [08 Grinding & Polishing](https://www.unitedlens.com/gallery/08-grinding-polishing/)
- [07 Grinding & Polishing](https://www.unitedlens.com/gallery/07-grinding-and-polishing/)
- [06c Grinding & Polishing](https://www.unitedlens.com/gallery/06c-grinding-and-polishing/)
- [06b Double Sided Grind](https://www.unitedlens.com/gallery/06b-double-sided-grind/)
- [06 Double Sided Grind](https://www.unitedlens.com/gallery/06-double-sided-grind/)
- [05c Grinding & Polishing](https://www.unitedlens.com/gallery/05c-grinding-polishing/)
- [05b Grinding & Polishing](https://www.unitedlens.com/gallery/05b-grinding-polishing/)
- [05 Grinding & Polishing](https://www.unitedlens.com/gallery/05-grinding-and-polishing/)
- [04 Carrier Sally](https://www.unitedlens.com/gallery/04-carrier-sally/)
- [03 Grinding & Polishing](https://www.unitedlens.com/gallery/03-grinding-polishing/)
- [02 Grinding & Polishing](https://www.unitedlens.com/gallery/02-grinding-polishing/)
- [01 Grinding & Polishing](https://www.unitedlens.com/gallery/01-grinding-polishing/)
- [33 Precision Machined Blank](https://www.unitedlens.com/gallery/33-precision-machined-blank/)
- [32 Precision Machined Blank](https://www.unitedlens.com/gallery/32-precision-machined-blank/)
- [31 Infrared Tank Light](https://www.unitedlens.com/gallery/31-infrared-tank-light/)
- [30 Machined Array](https://www.unitedlens.com/gallery/30-machined-array/)
- [29 CNC](https://www.unitedlens.com/gallery/29-cnc/)
- [28 SC Prism Blank](https://www.unitedlens.com/gallery/28-sc-prism-blank/)
- [27 SC Rod](https://www.unitedlens.com/gallery/27-sc-rod/)
- [26 Precision Machining](https://www.unitedlens.com/gallery/26-precision-machining/)
- [25 Precision Machining](https://www.unitedlens.com/gallery/25-precision-machining/)
- [24 SC Material](https://www.unitedlens.com/gallery/24-sc-material/)
- [23 Prism Gen](https://www.unitedlens.com/gallery/23-prism-gen/)
- [22 Precision Machining](https://www.unitedlens.com/gallery/22-precision-machining/)
- [21 SC Block](https://www.unitedlens.com/gallery/21-sc-block/)
- [20 SC Block](https://www.unitedlens.com/gallery/20-sc-block/)
- [19 CNC](https://www.unitedlens.com/gallery/19-cnc/)
- [18 Water Jet](https://www.unitedlens.com/gallery/18-water-jet/)
- [17b Large Boule](https://www.unitedlens.com/gallery/17b-large-boule/)
- [17 Curve Gen](https://www.unitedlens.com/gallery/17-curve-gen/)
- [16 CNC](https://www.unitedlens.com/gallery/16-cnc/)
- [15 CNC](https://www.unitedlens.com/gallery/15-cnc/)
- [14 Prism Generator](https://www.unitedlens.com/gallery/14-prism-generator/)
- [13b Robot](https://www.unitedlens.com/gallery/13b-robot/)
- [13 Precision Machining](https://www.unitedlens.com/gallery/13-precision-machining/)
- [12 Centerless Grind](https://www.unitedlens.com/gallery/12-centerless-grind/)
- [11 Precision Machining](https://www.unitedlens.com/gallery/11-precision-machining/)
- [10 Wafer](https://www.unitedlens.com/gallery/10-wafer/)
- [09 Wafer](https://www.unitedlens.com/gallery/09-wafer/)
- [08 Wafer Flat](https://www.unitedlens.com/gallery/08-wafer-flat/)
- [07 Wafer Edge](https://www.unitedlens.com/gallery/07-wafer-edge/)
- [06 Diamond Wire](https://www.unitedlens.com/gallery/06-diamond-wire/)
- [05 Precision Machining](https://www.unitedlens.com/gallery/05-precision-machining/)
- [04 Precision Machining](https://www.unitedlens.com/gallery/04-precision-machining/)
- [03 Precision Machining](https://www.unitedlens.com/gallery/03-precision-machining/)
- [02 Wire Saw](https://www.unitedlens.com/gallery/02-wire-saw/)
- [01b Wire Saw](https://www.unitedlens.com/gallery/01b-wire-saw/)
- [01 Wire Saw 1](https://www.unitedlens.com/gallery/01-wire-saw-1/)
- [36 Molded Telescope Mirror Blank](https://www.unitedlens.com/gallery/36-molded-telescope-mirror-blank/)
- [35 HeNe Laser Cluster](https://www.unitedlens.com/gallery/35-nehe-laser-cluster/)
- [34 Hemocytometer](https://www.unitedlens.com/gallery/34-hemocytometer/)
- [33 MB Products](https://www.unitedlens.com/gallery/33-mb-products/)
- [32 Custom Hand Molding](https://www.unitedlens.com/gallery/32-custom-hand-molding/)
- [31 Mold 103](https://www.unitedlens.com/gallery/31-mold-103/)
- [30 Mold 1](https://www.unitedlens.com/gallery/30-mold-1/)
- [29 Mold 102](https://www.unitedlens.com/gallery/29-mold-102/)
- [28 Custom Hand Molding](https://www.unitedlens.com/gallery/28-custom-hand-molding/)
- [27 Custom Hand Molding](https://www.unitedlens.com/gallery/27-custom-hand-molding/)
- [26 Custom Hand Molding](https://www.unitedlens.com/gallery/26-custom-hand-molding/)
- [25 Molding](https://www.unitedlens.com/gallery/25-molding/)
- [24 Molding](https://www.unitedlens.com/gallery/24-molding/)
- [23 Molding](https://www.unitedlens.com/gallery/23-molding/)
- [22 Molding](https://www.unitedlens.com/gallery/22-molding/)
- [21 Molding](https://www.unitedlens.com/gallery/21-molding/)
- [20 Molding](https://www.unitedlens.com/gallery/20-molding/)
- [19 Molding](https://www.unitedlens.com/gallery/19-molding/)
- [18 Molding](https://www.unitedlens.com/gallery/18-molding/)
- [17 Molding](https://www.unitedlens.com/gallery/17-molding/)
- [16 Molding Todd](https://www.unitedlens.com/gallery/16-molding-todd/)
- [15 Big Mold 1](https://www.unitedlens.com/gallery/15-big-mold-1/)
- [14 Custom Hand Molding](https://www.unitedlens.com/gallery/14-custom-hand-molding/)
- [13 Mold 105](https://www.unitedlens.com/gallery/13-mold-105/)
- [12 Custom Hand Molding](https://www.unitedlens.com/gallery/12-custom-hand-molding/)
- [11 Molding 2](https://www.unitedlens.com/gallery/11-molding-2/)
- [10 Custom Hand Molding](https://www.unitedlens.com/gallery/10-custom-hand-molding/)
- [09 Custom Hand Molding](https://www.unitedlens.com/gallery/09-custom-hand-molding/)
- [08 Custom Hand Molding](https://www.unitedlens.com/gallery/08-custom-hand-molding/)
- [07 Custom Hand Molding](https://www.unitedlens.com/gallery/07-custom-hand-molding/)
- [06 Custom Hand Molding](https://www.unitedlens.com/gallery/06-custom-hand-molding/)
- [05 Molding](https://www.unitedlens.com/gallery/05-molding/)
- [04 Custom Hand Molding](https://www.unitedlens.com/gallery/04-custom-hand-molding/)
- [03 Custom Hand Molding](https://www.unitedlens.com/gallery/03-custom-hand-molding/)
- [02 Glass Scribe](https://www.unitedlens.com/gallery/02-glass-scribe/)
- [01 Custom Hand Molding](https://www.unitedlens.com/gallery/01-custom-hand-molding/)
- [13 Annealing Basket](https://www.unitedlens.com/gallery/13-annealing-basket/)
- [12 UL](https://www.unitedlens.com/gallery/12-ul/)
- [11 Annealing](https://www.unitedlens.com/gallery/11-annealing/)
- [10 Annealing](https://www.unitedlens.com/gallery/10-annealing/)
- [09 Annealing](https://www.unitedlens.com/gallery/09-annealing/)
- [08 Annealing](https://www.unitedlens.com/gallery/08-annealing/)
- [07 UL](https://www.unitedlens.com/gallery/07-ul/)
- [06 UL](https://www.unitedlens.com/gallery/06-ul/)
- [05 Homos 1](https://www.unitedlens.com/gallery/05-homos-1/)
- [04 Homos 3](https://www.unitedlens.com/gallery/04-homos-3/)
- [03 L&P Saggers 1](https://www.unitedlens.com/gallery/03-lp-saggers-1/)
- [02 L&P Homos 2](https://www.unitedlens.com/gallery/02-lp-homos-2/)
- [01 L&P Homos 5](https://www.unitedlens.com/gallery/01-l-p-homos-5/)
- [00 Annealing Area](https://www.unitedlens.com/gallery/00-annealing-area/)
- [14 Machine 9](https://www.unitedlens.com/gallery/14-machine-9/)
- [13 Machine 6](https://www.unitedlens.com/gallery/13-machine-6/)
- [12 Machine 1](https://www.unitedlens.com/gallery/12-machine-1/)
- [11 Machine 3](https://www.unitedlens.com/gallery/11-machine-3/)
- [10 Machined Mold 2](https://www.unitedlens.com/gallery/10-machined-mold-2/)
- [09 Machine 10](https://www.unitedlens.com/gallery/09-machine-10/)
- [08 Machine](https://www.unitedlens.com/gallery/08-machine/)
- [07 Machine 5](https://www.unitedlens.com/gallery/07-machine-5/)
- [06 Machine 14](https://www.unitedlens.com/gallery/06-machine-14/)
- [05 Machine 2](https://www.unitedlens.com/gallery/05-machine-2/)
- [04 Machine 4](https://www.unitedlens.com/gallery/04-machine-4/)
- [03 Machine 1](https://www.unitedlens.com/gallery/03-machine-1/)
- [02 Machine Shop](https://www.unitedlens.com/gallery/02-machine-shop/)
- [01 Machine Shop](https://www.unitedlens.com/gallery/01-machine-shop/)
- [00 Machine Shop](https://www.unitedlens.com/gallery/00-machine-shop/)

## Categories

- [News](https://www.unitedlens.com/category/news/)
- [Custom Hand Molding](https://www.unitedlens.com/category/custom-hand-molding/)
- [Quality Assurance](https://www.unitedlens.com/category/quality-assurance/)
- [Blog](https://www.unitedlens.com/category/blog/)
- [Internal Machine Shop](https://www.unitedlens.com/category/internal-machine-shop/)
- [Annealing](https://www.unitedlens.com/category/annealing/)
- [Precision Machining](https://www.unitedlens.com/category/precision-machining/)
- [Grinding & Polishing](https://www.unitedlens.com/category/grinding-polishing/)
- [Thin Film Coating](https://www.unitedlens.com/category/thin-film-coating/)
- [Company Culture](https://www.unitedlens.com/category/company-culture/)

## Product categories

- [Stocked Optics](https://www.unitedlens.com/product-category/stocked-optics/) - Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua elit sed do. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua elit sed do. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua elit sed do. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed do eiusmod tempor incididunt ut labore et dolore magna aliqua elit sed do.
- [Laser Debris Shields](https://www.unitedlens.com/product-category/stocked-optics/laser-debris-shields/) - Our laser debris shields are a durable OEM laser accessory replacement made with unrivaled quality at an affordable price. With an extremely low absorption and high damage threshold, our shields help protect and prolong the life of both CW and pulsed laser systems. All shields are verified for absolute reflection on our state-of-the-art, calibration maintained spectrophotometers. Our shields are commonly used in fiber laser machines for laser cutting and laser welding.
- [Test Plates / Mirror Blanks](https://www.unitedlens.com/product-category/stocked-optics/test-plates-mirror-blanks/) - United Lens Company’s test plates and mirror blanks are provided to our customers as either hand crafted molded blanks or precision machined cut blanks. They are manufactured in-house by our highly skilled molders and machinists from in-stock raw materials. They are available in a variety of diameter sizes and ranging in thickness from 19.05mm – 83.82mm.

## Product tags

- [Mirror Blank](https://www.unitedlens.com/product-tag/mirror-blank/)
- [Telescope](https://www.unitedlens.com/product-tag/telescope/)
- [Molded Blank](https://www.unitedlens.com/product-tag/molded-blank/)
- [Pyrex](https://www.unitedlens.com/product-tag/pyrex/)
- [Quartz](https://www.unitedlens.com/product-tag/quartz/)
- [Cover Plate](https://www.unitedlens.com/product-tag/cover-plate/)
- [Protective Window](https://www.unitedlens.com/product-tag/protective-window/)
- [Cover Slide](https://www.unitedlens.com/product-tag/cover-slide/)
- [Fiber Laser](https://www.unitedlens.com/product-tag/fiber-laser/)
- [Corning 7980](https://www.unitedlens.com/product-tag/corning-7980/)