Skywatcher Field Flattener and.85x Focal reducer for Evostar ED80 ED100 ED120 Telescopes

Designed for serious Astro-Imagers. Optimised for the Evostar-80/100/120 ED PRO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction. Must be used in conjunction with Sky-watcher’s M48 Canon or Nikon T-ring adaptors