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Baader Hyperion Mark IV on Kowa 663m (1 Viewer)

chris murphy

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There's been a few suggestions that the Baader Hyperion Zoom Mark IV may physically connect securely to the Kowa 663m and reach infinity focus across the full zoom range. Can anyone confirm this for definite, without having to mangle either the eyepiece or the body?

I am going to buy the zoom for my new 823m, but it would be great if it also fit the 663m to replace the fairly average small body zoom, especially if it is brighter and sharp at the 60x end.

Thanks for any info.


Well-known member

I take it that the answer is no, and that nobody has been successful with this?

Let me check for physical fit tonight with my Mk3 and 613... I vaguely remember having tried it ages ago on a TSN-3 but the threads didn't fit like with the Opticron zooms...
So some adapter is possibly needed.


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