The Sky-Watcher 0.85x Focal Reducer for ED100 effectively reduces the focal ratio of the Sky-Watcher 100 ED Refractor Telescope from F/9 to F/7.65, reducing exposure time for astrophotography.
It also provides field-edge correction, removing aberrations from your shots, leaving you with beautiful, crisp images.
Specially designed to be used with ED100 Telescopes
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