ANTLIA CH4 METHANE FILTER 1.25" CDK The adapter # BA2958552 replaces

The adapter # BA2958552 replaces the T2 thread with a female M48 x 0

This filter can be also used in non-astronomical applications as long as the camera used does not have an embedded UV-IR cut filter

Female M54 x 0

the QE is over 60%

ANTLIA CH4 METHANE FILTER 1.25" CDK The adapter # BA2958552 replacesThe Antlia CH4 Methane filter 1. 25" is a special bandpass filter designed to capture the finer details and more contrast on planets like Jupiter, Saturn, and more. The Human eye is not sensitive to light beyond around 700nm, so this is strictly a photographic filter and benefits from cameras with good IR response such as the QHY462C. Given the lesser sensitivity of many cameras to these wavelengths, longer exposure times will be required. This filter