- Wavelength: 3750 ±50
- Operating Temperature: 23.0
- Parallelism: < 10 arc minutes
- Transmission: 85%
- Blocking: N/A
- Size: 25.0 ¯ +0 / -0.1
- Thickness: 1.0 ±0.2
- Scratch-Dig: 80/50
- Clear Aperture: 21mm ¯ min
- Flatness: 5 or better at of Interest
- Substrate: Germainum
- Angle of Incidence: 0
- 5% Wavelength: N/A
$207.00
$207.00
$207.00
In Stock: 5