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I have a suspiction PRO-OPTICS (USA) and EDMUND (USA) ??? sell a kit that do this for most any telephoto.
Can't speak for the image quality - once you put an eyepiece rather than a film or chip in the system - as never tried it.
Check your old S+T mags from about the last 1990s , you'll find it advertised there.
Last edited by Ian Robinson; 20-09-2008 at 03:04 PM.
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