All optics polished and coated at United Lens Company are tested for accuracy using Interferometry, Spectrophotometry and/or Non-Contact Measurement Systems.

Testing Equipment

• Zygo NuView Interferometer
• Zygo Mark IV XP Interferometer
  Two- 12" Apertures
  One- 6" Apertures
  Two- 4" Apertures
• Lamba 950 Spectrophotometer with absolute angle attachment
• Optical Gaging Products Non Contact Video Measuring