Sky-Watcher Evostar 80 Reducer/Flattener (.85x) (S20200) SynScan 37") Focal Ratio: f/8

37") Focal Ratio: f/8

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

The Regal M2 scopes also include an upgraded dual focus mechanism

This 140mm mask is great for 125mm - 130mm class telescopes

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

Sky-Watcher Evostar 80 Reducer/Flattener (.85x) (S20200) SynScan 37") Focal Ratio: f/80. 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