- Parallelism: Commercial
- Bandwidth (FWHM): 25
- Transmission: 20%
- Blocking: 1x10-4 avg. X-Ray to FIR
- Size: 25.0 Ø +0 / -0.25
- Thickness: 1.5 ±0.25
- Scratch-Dig: Commercial
- Clear Aperture: 21mm Ø min
- Flatness: Commercial
- Effective Refractive Index: N/A
- Filter Type: 8
$379.00
$345.00
$307.00
In Stock