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Model: Skywatcher_FR_ED120Part Number: 20234
Screws directly to the M56 thread on the Sky-Watcher 120ED telescope's focuser draw tube.
This Sky-Watcher 0.85x focal reducer/flattener is optimised for the Sky-Watcher Evostar 120ED PRO refractor.
Effectively reduces the telescope’s focal length by a factor of 0.85x to enable imaging at f6.375
Also provides much improved field-edge correction.
Use in conjunction with a DSLR-M48 Ring Adapter.
Can also be used with other similarly specified refractor telescopes when combined with our Astro Essentials Adapter.
Very impressive field flattener which threads securely onto the ED120 drawtube . The locking ring allows accurate positioning the field flattener . It allows imaging at f/6.375 . I have only imaged the moon so far , but the result was impressive with sharp detail , and no sign of any false colour . I am looking forward to doing a lot of deep sky astrophotography ( open clusters , globulars , bright emission nebulae and brighter galaxies) .......