Sky-Watcher .85x Reducer/Flattener for ED80

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About this product

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.

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