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Sky-Watcher Evostar 72ED Reducer/Flattener (.85x) - for Astrophotography (S20212)

4.5 (1) Write Review
Free shipping on orders over $29.99

$306.06

$ 99 .00 $99.00

In Stock

About this item

  • Compatible with both APS-C and full frame sensors, APS-C (crop sensors) and smaller recommended
  • 55mm back focus
  • Drops f/ratio from native f/5.8 (420mm) to f/4.93 (355mm)
  • Reduces exposure time by 38% compared to native f/5.8
  • 5.8 x 3.87-degree field of view when used with a full frame camera


0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 72ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 72ED APO, this superb quality accessory effectively reduces the telescope’s focal length by a factor of 0.85x and provides much improved field-edge correction


scott o.
Reviewed in the United States on March 13, 2025
its a nice flatner . well made I will put it to use soon and update
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