- Wavelength: 500 ±3.0
- Operating Temperature: 23.0
- Parallelism: 30 arc seconds or better
- Transmission: 90%
- Blocking: >OD 5.5 avg to 491
- Size: 12.5 +0.0 / -0.1
- Thickness: 2.0 ±0.1
- Scratch-Dig: 60/40
- Clear Aperture: 11.5
- Flatness: 0.25 per inch or better
- Angle of Incidence: 0
- 50% Cut-on Wavelength: 500
$213.00
$213.00
$213.00
In Stock: 13