Quote:
Originally Posted by Wavytone
If you were to use it for nothing else a 30cm f/23 Tri schiefspiegler would do very nicely. The late Barry Adcock (ASV) made one many years ago for photographing Mars and his images were phenomenal.
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Mark is right, having worked with Barry at Old Melbourne observatory last thurs night I can tell you he is alive & well..a ghost did appear to open a door whilst I was talking though. his shiefy is a real talking piece when he brings it out, refractor like views, long though
as to where you would get one -make one, relatively simple design