20nm CH4 Methane Filter ASI120MM Sony Exmor technology uses column-parallel

Sony Exmor technology uses column-parallel A/D conversion for high-speed processing

you just want things to work and to see that smooth graph on your guiding software before you start your imaging sequence

Work with OAG

About 90% transmission at H-alpha line 656nm (H-Alpha filter )

20nm CH4 Methane Filter ASI120MM Sony Exmor technology uses column-parallelThe ZWO Methane band (CH4) filter is a special filter for photographical use. Its FWHM is 20nm which is suitable for most IR sensitive color or mono cameras. It can reveal the detail of the target and not too dark. It is recommended for planetary imaging such like 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.