- Parallelism: 0.5 arc minutes or better
- Size: 0.500 +0.0 / -0.005
- Thickness: 0.085 +0.0 / -0.12
- Scratch-Dig: 60/40
- Clear Aperture: 0.400 inch
- Flatness: TWF: 1 pwr, 0.5 irreg
- Substrate Material: Zinc Selenide
$123.00
$123.00
$123.00
In Stock: 62