ZWO 1.25" 20nm CH4 Methane Band Filter (1.25 inch)
The ZWO Methane band (CH4) filter works by passing light that is deep within the near infrared, this can reduce the effect when viewing conditions are poor and enhance the visibility of planetary images. If you are interested in spotting the rings around Saturn or Jupiter, this filter is perfect for you!
The ZWO Methane filter is housed in a 1.25” cell. The filter comes with a protective plastic case.
Wavelength range: 890nm
- CH4 Methane Filter for use with a Camera.
- Intended for Photographic use.
- FHWM of 20 nm.
- Ideal for Planetary imaging.
- Size: 1.25-inch.
Its FWHM is 20nm which is suitable for most IR sensitive color or mono cameras. It can reveal the details of the target and is not too dark.
It is recommended for planetary imaging such as Jupiter, Saturn, and the other planets.
This filter is a 1.25″(31.7mm) filter and comes with an inner filter thread . It is protected in a plastic case.
