About this product
Part Number: 20236
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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