- Parallelism: 10 arc minutes or better
- Size: 50 X 50 +0 / -0.1
- Thickness: 2 ±0.1
- Scratch-Dig: 60/40
- Clear Aperture: >90%
- Flatness: < 2 per inch or better
- Substrate Material: Silicon
$185.00
$185.00
$185.00
In Stock: 45