Askar F5.7 0.76x Full-frame Reducer Professional Astronomical Accessory Dedicated for 80PHQ Astrograph
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Askar F5.7 0.76x Full-frame Reducer Professional Astronomical Accessory Dedicated for 80PHQ Astrograph
Description:
- The 3-inch 0.76x full frame reducer, with a triplet design and specifically for the 80PHQ, offers a 0.76x reduction in focal ratio, when used with the 80PHQ F/7.5 astrograph, the focal ratio is 5.7, and the reduced focal length is 456mm, effectively shortening the exposure time and dramatically increasing your field of view and bringing more convenience and possibilities for your deep-sky astrophotography.
- The end of the focuser is the multi-functional four-piece photographic adapters, which can be connected to the end thread of the focuser when using. The back-focus is the standard 55mm. It also has a built-in M48x0.75 (2 inch) filter thread that allows you to screw on filters conveniently.
Package Included:
- 1 x Reducer
