Chroma Filters OIII 5nm 2" (66703)

The narrowband OIII 5nm filter is designed for astrophotography and nebula observation. It selectively allows a 5nm bandwidth of light centered on the 500.7nm wavelength, corresponding to OIII emission lines, while blocking all other light. This filter enhances image contrast and detail, making it ideal for viewing planetary nebulae, supernova remnants, and other deep-sky objects. It also reduces the effects of light pollution, ensuring clearer and more precise astrophotographic results.

Specifications:

Capacity:

• Connection (to the Telescope): 2"

• Frame: 2"

• Mount Material: Aluminum

• Central Wavelength (nm): 500.7

• Half-Value Width (nm): 5

General:

• Type: Filters

• Type of Build: Line Filter

Area of Application:

• Useful for Photographs: Yes

• Planetary Nebulae: Yes

• Supernova Remains: Yes

• Anti Light-Pollution: Yes