Sky-Watcher Evostar 80 Reducer/Flattener (.85x) (S20200) SynScan Fits all standard filter threads

Fits all standard filter threads and can be combined with other filters – e

please make sure you selected the correct adapter when placing the order

) does not exceed more than 20lbs making it easy for one person to transport and assemble

37") Focal Ratio: f/8

5" OTA Outer Diameter 4

Sky-Watcher Evostar 80 Reducer/Flattener (.85x) (S20200) SynScan Fits all standard filter threads0. 85x Focal Reducer Corrector for Sky Watcher Evostar 80 ED APO is designed for serious Astro Imagers. Optimized for the Sky Watcher Evostar 80 ED APO, this superb quality accessory effectively reduces the telescopes focal length by a factor of 0. 85x and provides much improved field edge correction. Specifications 55mm back focus M48 threads (not standard T thread) Drops ProED 80 from f 7. 5 to f 6. 3