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Message: <blockquote data-quote="henry link" data-source="post: 3303831" data-attributes="member: 6806">Ron,The astronomical system works by inserting the 31.75mm eyepiece barrel into a sleeve on the telescope. The telescope sleeve will have a locking system of some sort, sometimes a thumb screw or a locking collet. It's possible to completely remove the 31.75mm (1.25") tube from the Baader zoom and use one of two female threads at the base of the eyepiece body (35mm and 45mm) to attach the eyepiece to some spotting scope bodies. If you're sure your scope has male 35mm threads then the Baader could work if the scope can reach infinity focus. Unfortunately, as far as I know all the current Kowa scopes have male 41mm or 54mm threads, or female 41mm threads on the bodies. I haven't found a commercial adapter ring that will adapt the Baader to any of those threads, but mayoayo has apparently figured out something that works. What is that exactly, mayoayo?Henry</blockquote>