- Wavelength: 656.3 +2 / -0
- Emission Line: Ha
- Operating Temperature: 23.0
- Parallelism: Commercial
- Bandwidth (FWHM): 10.0 ±2 nm
- Minimum Transmission: 55%
- Blocking: 1x10-4 avg. X-Ray to FIR
- Size: 50.0 Ø +0 / -0.25
- Thickness: 5.9 +0 / -nom
- Scratch-Dig: Commercial
- Clear Aperture: 45mm Ø min
- Flatness: Commercial
- Effective Refractive Index: 2.05
- Filter Type: 3
$387.00
$325.00
$294.00
In Stock