
- Parallelism: <3 arc minutes
- Size: 0.5 +0 / -0.005
- Thickness: 0.125 ±0.002
- Scratch-Dig: 60/40
- Clear Aperture: 0.4
- Flatness: Commercial
- Substrate Material: Zinc Selenide
$110.00
$110.00
$110.00
In Stock: 50