产 品 说 明
Specifications | ||
---|---|---|
Material: | BK7 Grade A optical glass | |
Dimension Tolerance: | +0.0, -0.2 mm | |
Clear Aperture: | >80% | |
Deviation: | 180°±3 arc seconds | |
Flatness: | λ /4 on big surface, λ /10 on other surfaces | |
Surface Quality: | 60-40 scrach and dig | |
Wavefront Distortion: | λ /2 @633nm | |
Bevel: | 0.2 mm to 0.5 mm | |
Coating on input and output sides: | Uncoated |