Explore Scientific Filters H-alpha 12nm 2" (77352)

The H-alpha filter allows light at a wavelength of 656 nanometers to pass through. It is the ideal narrowband astrophotography filter for capturing high-contrast images and revealing intricate details of nebulae, even in areas affected by strong light pollution.

Specifications

Capacity

• Central wavelength: 656 nm

• Half-value width: 12 nm

• Frame: 2"

• Mount material: Aluminium

• Coating of optical system: Multiple

• Connection (to the telescope): 2"

General

• Type: Filters

• Type of build: Line filter

Area of Application

• Useful for photographs: Yes

• Visually useful: No

• Twin stars: No

• Moon & Planets: No

• Nebulae & galaxies: Yes