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Old 01-11-2013, 06:14 PM
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Join Date: Jan 2012
Location: Melbourne
Posts: 2,940
Originally Posted by Bassnut View Post
It's funny, I've often wondered about these spot diagrams. Manufacturers of CDK, cassegrain,RC,and "corrected" anything all quote spot diagrams better than the others. I was swayed by "all serious OBS use RC", what do I know sounds good to me . It's all marketing BS IMO, horses for courses.

I would have thought that the RCOS ion milled telescopes were the best
but as you can see - at the Chilean advanced Robotic Telescope
they have chosen a Cassegrain design - & wow - look at the results!
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