- Parallelism: 0.265 ± 0.005 degrees
- Size: 70.0 x 70.0 +0 / -0.25
- Thickness: 7 ±0.1
- Scratch-Dig: 40/20
- Clear Aperture: 65mm
- Flatness: 0.25 per inch or better
- Substrate Material: Fused Silica
$855.00
$855.00
$855.00
In Stock: 2