Explore Scientific Filters H-alpha 7nm 2" (77357)

The H-alpha filter is designed to pass light at a wavelength of 656 nanometers. It is the optimal choice for narrowband H-alpha astrophotography, providing high-contrast imaging and revealing rich details of nebulae even in areas affected by strong light pollution.

Specifications

Capacity

• Central wavelength: 656 nm

• Half-value width: 7 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