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Telescope 1.25" Fully Multi-Coated 0.5x Focal Reducer for Eyepiece Photography | eBay
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Explore Scientific 3" Field Flattener .7x Focal Reducer - FFFR507X-00
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TPO 0.75x Focal Reducer for Ritchey-Chretien Telescopes | OPT Telescopes
F/6.3 focal reducer for Schmidt-Cassegrains | Astronomics.com
Vixen Optics Focal Reducer for FL55SS Telescope ES37251 B&H
Agena's Guide to Focal Reducers
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Amazon.com : Astromania 0.5X Reducer for Photography and Observing - 1.25" Filter Thread (28.5x0.75MM) on Both Sides - Reduces The Focal Length for Visual and Photographic Use : Electronics
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Focal Reducer Question. - Beginning Deep Sky Imaging - Cloudy Nights
0.7x Focal Reducer for Probe Lens - Laowa Cinema Lenses
