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According to the product shape, the singlet lensclassified into: PCX,PCV, DCX, DCV, PMC, NMC and so on. It has a wide variety of diameters, focal lengths, and coatings. In addition, there is a greate choice of anti-reflection coating options: MgF2, SAR, DAR, VAR, WAR and BBAR.
Specs | Commercial | High Precision |
Diameter Tolerance | ±0.1mm | ±0.01mm |
Center Thickness | ±0.1mm | ±0.01mm |
Centering | < 3' | < 30'' |
Surface Quality | 60-40 S/D | 10-5 S/D |
Power/ Irregularity | 2/0.5 | 1/0.2 |
Coating | Upon Request |