William Optics Redcat 51 version 1.5. 250mm focal length. There are a few minor marks on the mounting bar.
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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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It has all the benefits of the ZenithStar family at a price that is truly unbelievable. A used but excellent example of this discontinued gem, includes a Williams Optics 50mm finder scope and Celestron 25mm plossl.
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In excellent condition. Has few marks on the base but other than that, works perfect. Comes boxed.
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'WILLIAM WARRIS PATENTED'. RELEVANT IMAGES AS THIS WILL HELP IN MAKING AN ACCURATE.
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Please note I will now only ship with tracked international shipping due to a high proportion of missing parcels when using untracked economy services. Perfect focus every time & no more blurry bahtinov spikes! Designed & prototyped from scratch by yours truly, this is a high quality mask with a nice fit and finish!! 👍 Please see my feedback, many happy customers!! :-) I'm an avid astronomer and very active in the community on YouTube - www.youtube.com/lukomatico
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(See my first revision of this mask in action in one my YouTube videos here - skip to 10:48 for the demonstration. And see the current revision mask here in this video of mine too - skip to around 45 seconds :-).
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