Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor Telescope and Field Flattener f/5 to f/7 - FCD100-0806-02-FF ed-apo-fcd100-triplet-series Relying on technological innovation

Relying on technological innovation

-Jim Johnston Astrophotographer

and a choice of over 80

Hallo Northern Sky

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Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor Telescope and Field Flattener f/5 to f/7 - FCD100-0806-02-FF ed-apo-fcd100-triplet-series Relying on technological innovationFeatures This is a field flattener for refractor type telescopes with a focal ratio of f 5 to f 7 Causes no change to the telescope focal length 2 inch barrel to easily attach to a two inch focuser Fully multi coated optics T ring thread on the device so a T ring can be used to easily attach a DSLR camera or a dedicated astrocamera 38 mm of clear aperture Requires 55mm (+ 2) of back focus spacing between the device and the camera sensor Premium high