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Message: <blockquote data-quote="RJM" data-source="post: 1244811" data-attributes="member: 66340">Jules, this can work with PENTAX spotting scopes as they accept standard 1.25" astronomical eyepieces. But all other spotting scopes use proprietary eyepiece designs and mounting systems. Kowas use a bayonete mount and have an irregular 41mm thread under the rubber eyecup to fit their DA10 adapter for compact digicams. There really is no other practical way to connect a DSLR to a Kowa than the PA2. It is really not that expensive either at about $180. Certainly cheaper than a high quality widefield eyepiece and any adapters.cheers,Rick</blockquote>