- Specifications: 1) 250-400nm 20.0% ±4.02) 400-800nm 20.0% ±1.53) 800-2000nm 20.0% ±4.0
- Parallelism: 30 arc seconds or better
- Size: 50.0 x 50.0 +0 / -0.2
- Thickness: 1.5 ±0.5
- Scratch-Dig: 80/50
- Clear Aperture: 90%
- Flatness: 0.25 per inch or better
- Substrate Material: Quartz
- %T (Optical Density): 20 ( 0.7 OD )
$237.00
$199.00
$168.00
In Stock