Sky-Watcher ProED/Evostar 80 EDX Reducer/Corrector - 0.85x - S20200

Sky-Watcher 80ED Reducer/Corrector - 0.85x

This Sky-Watcher 0.85x Focal Reducer/Corrector for the Sky-Watcher Evostar 80 EDX or PRO 80 ED APO was designed for serious Astro-Imagers. This corrector lens is optimized for the Sky-Watcher 80 mm Evostar or Pro refractor telescopes. This accessory, which is of superb quality, effectively reduces the telescope’s focal length by a factor of 0.85x, and it simultaneously provides much improved field flattening and correction out to the edge of the field.

This Focal Reducer/Corrector Features:

• 55 mm back focus
• M48 threads (not standard T-thread)
• Reduces the ProED 80 or Evostar 80 EDX from f/7.5 to f/6.3 focal ratio