| Specifications:
Material:
BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ¡À 0.2mm
Clear Aperture: >80%
Parallelism: 10 arc seconds
Surface Quality: 40-20 scratch and dig
Wave front Distortion: ¦Ë/10
per 25m @633nm
Bevel:
<0.25mm X 45¡ã
|
 |
Specifications:
Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: ¡À 0.2mm
Clear Aperture: >80%
Parallelism: 1 arc minute
Surface Quality: 60-40 scratch and dig
Wave front Distortion: 1¦Ëper 25mm @633nm
Bevel: <0.25mm X 45¡ã |