Description
- Place of Origin: CN (Origin)
- Material: glass
- Model: NP656
- Bandwidth 20nm, peak 656nm, transmittance about 85% Use with 135mm Focal Length Long Lens H-Alpha Filter 656nm 20nm Narrow Bandpass Filter for Camera Telescope Astrophotography
H-Alpha Emission Filter 656nm Narrow Band Pass Multiple Sizes With Frame For Astrophotograph Telescope