ZWO 1.25" Methane Band CH4 Filter (ZWO-CH4) Flat Field Reducer adapter allows TeleVue Imaging

Reducer adapter allows TeleVue Imaging System reducers to be used on standard 2" focusers

14") Filter diameter (internal): 100

The OTA uses an oversized secondary mirror providing greater illumination for DSLRs and CCDs using full-frame sensors

an ASCOM driver is needed

but not the CPC Deluxe HD

ZWO 1.25" Methane Band CH4 Filter (ZWO-CH4) Flat Field Reducer adapter allows TeleVue ImagingThe ZWO Methane band (CH4) filter is a special filter for photographical use. Its FWHM is 20nm which is suitable for most IR sensitive colour 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.