- Wavelength: 656.3 +2 / -0
- Emission Line: Ha
- Operating Temperature: 23.0
- Parallelism: Commercial
- Bandwidth (FWHM): 10.0 ±2 nm
- Minimum Transmission: 80%
- Blocking: 1x10-4 avg. X-Ray to 1000nm
- Size: 12.5 Ø +0 / -0.25
- Thickness: 5.9 +0 / -nom
- Scratch-Dig: Commercial
- Clear Aperture: 9mm Ø min
- Flatness: Commercial
- Effective Refractive Index: 2.05
- Filter Type: 3
$87.00
$73.00
$66.00
In Stock