ZWO manufactures these cameras in two sizes: 90 mm housing diameter and 86 mm housing diameter. ![]() These are characteristic cameras, equipped with a black tilt plate on the front. Some of the advanced features of the Celestron 8' RASA includes mirror locks hold your precise focus. Drawer types and sizesĪs already stated, the drawers designed for use with ZWO ASI cameras having 17.5 mm backfocus. You can also use my drawers with other telescopes, which is explained in detail later. celestron rasa 8 telescope telescope ota catadioptric telescope professional telescope Celestron Deluxe Telescope Dew Shield Flexible Dew Prevention Fits 6' and 8 Schmidt Cassegrain and EdgeHD telescopes 234 1 Best Seller in Telescope Dew Caps 6 offers from 34. Indeed, these drawers were specifically designed with RASA 8 in mind. To solve this problem, I designed a brand new drawer, deduced just for such an astrophotography kit.Īnd, of course, with the Celestron RASA 8 telescope. You can use various adapters for this, but the real trouble comes when you want to use the filter drawer. This kit combines the 8 Rowe-Ackermann Schmidt Astrograph (RASA) with the state-of-the-art CGX German equatorial mount. According to the manufacturer, this should be 28.73 mm. The Schmidt part is commonly heard in connection with Schmidt-Cassegrain telescopes (SCTs) and refers to a design introduced by Bernhard Schmidt in 1930, which uses a fast primary mirror and a front corrector plate. ![]() RASA stands for Rowe -Ackermann Schmidt Astrograph. If you have a ZWO ASI camera with a 17.5 mm backfocus, you probably have quite a problem to attach this camera to a Celestron RASA 8 telescope in such a way that you can determine the correct distance of the sensor to the front of the telescope. The Celestron RASA-8 is a telescope designed solely for astrophotography. ![]() Please note that this is a 3d printed plastic part.
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