Celestron Sky-Watcher Evostar 72ED Reducer/Flattener (.85x)

Special Features

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

Description

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

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

Special Features

Description

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