Chroma Filters H-Alpha 3nm 2" (66077)

The H-alpha narrowband filter is specifically designed for astrophotography, passing light at a wavelength of 656nm while blocking all other wavelengths. It is the best choice for high-contrast imaging, revealing intricate details of emission nebulae, hydrogen nebulae, and planetary nebulae. This filter performs exceptionally well even in areas with strong light pollution, allowing astrophotographers to capture stunning deep-sky images from urban locations.

Specifications:

Capacity:

• Central Wavelength (nm): 656

• Frame: 2"

• Mount Material: Aluminum

• Connection (to the Telescope): 2"

• Half-Value Width (nm): 3

General:

• Type: Filters

• Type of Build: Line Filter

Area of Application:

• Planetary Nebulae: Yes

• Hydrogen Nebulae: Yes

• Useful for Photographs: Yes