Screws directly to the M56 thread on the Sky-Watcher 80ED telescope's focuser draw tube. 

This Sky-Watcher 0.85x focal reducer/flattener is optimised for the Sky-Watcher Evostar 80ED PRO refractor.

Effectively reduces the telescope’s focal length by a factor of 0.85x to enable imaging at f6.37

Also provides much improved field-edge correction.

Use in conjunction with a Sky-Watcher DSLR-M48 Ring Adapter.

Can also be used with other similarly specified refractor telescopes when combined with our FLO Adapter.

Requires 55mm of back focus.

There are currently no specifications available for this product.

Sky-Watcher .85x Reducer/Flattener for ED80 Questions & Answers

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