Opticstar 2" Nebula Deep Sky Filter
This Opticstar 2" eyepiece is suitable for both visual observation and imaging these are all-in-one high-transmission deep sky filters.
Scattered light from the other wavelength ranges is excluded, this makes the background darker bringing out more detail in gas and planetary nebulas. The Opticstar filter captures wavelengths in both the OIII / H-beta and H-alpha bands.
The filters are mounted in a machined aluminium cell which is threaded to accept additional filters.
- UHC Nebula Filters
- Choice of Aperture: 1.25" or 2"
- Captured wavelengths:
- OIII / H-beta
- Suitable for visual observation and imaging
- Threaded for additional filters
- Aluminium cell