Quote:
Originally Posted by Martin_S
Hi , I'm after a 1.25" Diagonal Prism for a vintage refractor restoration project, it has to be a prism type not a mirror. I have tried a mirror diagonal and have found I can't get enough in focus.
Please PM me if you have one for sale.
Martin
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1" diagonal prism can virtually move the focal point ~12mm further (~Thickness/3), maybe it is easier to shorten something for that amount ?