Sky-Watcher Evostar 80 Reducer/Flattener (.85x) (S20200) SynScan 5" OTA Outer Diameter 4

5" OTA Outer Diameter 4

It's the only fork-mounted telescope in its price range that offers brass worm gears

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

5kg) Tripod LiteRoc heavy-duty stainless steel tripod (7

Sky-Watcher Evostar 80 Reducer/Flattener (.85x) (S20200) SynScan 5" OTA Outer Diameter 40. 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