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

37") Focal Ratio: f/8

our Protective Canon EOS T-Ring uses a clear glass filter for dust protection

The Regal M2 scopes also include an upgraded dual focus mechanism

Each coating batch is provided with full scans of the coating applied and is certified to meet any and all safety requirements

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