Easily mount your ZWO ASIAIR unit (Plus, Mini or Pro - or any other accessory you would like to secure!). on your William Optics RedCat 51 refractor with our Asiair Mount.
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Optically-matched 1:1 Flattener for ZS61 APO. End piece if not using flattener. Extender, goes on the flattener. Internal thread accepts 2" astronomy filters. Good condition with clamp marks on the saddle.
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Easily mount your ZWO ASIAIR PRO unit (or any other accessory you would like to secure!).
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