Askar
Askar 0.7x Reducer for Askar FRA400 72mm & FRA500 90mm Astrographs
Askar 0.7x Reducer for Askar FRA400 72mm & FRA500 90mm Astrographs
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Important Note: The use of this reducer with the Askar FRA500 telescope requires an extra M86-to-M68 adapter which is included with the FRA500 scope and not with this reducer. This adapter isn't required for the FRA400 scope.
Designed for use with the Askar 72mm (FRA400) and the 90mm (FRA500) f/5.6 quintuplet astrograph, the new Askar FRA400 f/3.9 full-frame focal reducer reduces the effective focal ratio by a factor of 0.7x, taking these already fast f/5.6 scopes down to a f/3.9 system. That means a wider field of view and a greatly reduced exposure time, making it easier to capture wide-field images of large deep-sky objects. The reducer has a backfocus of 55mm and includes threads for M48X0.75 (2") filters.
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