ZWO 0.76X Full Frame Reducer for FF80 APO Refractor - F80RE - On Sale! Filter Kits 11 degree field of view

11 degree field of view when used with APS-C crop sensor

TeleVue Powermates and TeleVue Barlow Lenses and don'''t forget TeleVue Dioptrx

Highest Useful Magnification: 661 x

durable aluminum alloy

If you plan to image the Sun with this telescope

ZWO 0.76X Full Frame Reducer for FF80 APO Refractor - F80RE - On Sale! Filter Kits 11 degree field of viewThe ZWO 3" 0. 76 Full Frame Reducer is designed specifically for the FF80 APO refractor. It has a reduction factor of 0. 76X, which shortens the effective focal ratio to f 5. 7 for a wider field of view and shorter image acquisition times. The reducer has a three element optical design with one extra low dispersion (ED) element and will work with full frame cameras. The back focus distance is the standard 55mm. The reducer connects to the refractor by