Vixen Telescope Focal Reducer (F7.7 ED)
We are offering an optical element that will reduce focal length. Check out this fully multicoated Vixen Telescope Focal Reducer for F7.7 ED made of high-quality materials. This reducer allows you to capture nebulae and star clusters quickly and fast in short exposure times. It has increased lens speed and improved the performance of the optical transfer function. 0.67x Focal reducer and make F-ratio fast. It has a 60mm connection thread for focusers. Buy to see it for yourself! Add to cart now!
Usable on | ED81S, ED81S II, ED103S, ED115S |
Lens coating | Fully multicoated |
Prime focus photography | A comprehensive photo adapter of 60mm and a T-ring is needed separately |
F-ratio | ED81S / 625mm(F7.7)→419mm(F5.2), ED81S II / 625mm(F7.7)→419mm(F5.2), ED103S / 795mm(F7.7)→533mm(F5.2), ED115S / 890mm(F7.7)→596mm(F5.2) |
Weight | 174g |