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Hi Mick,
I guess then that I have significantly more dishes than you.
Yes, the fact that the scope is near ambient anyway helps, and the placing of it "out" ready to observe is all that is required.
Mine has the "wholey" meniscus cell, and also the rear of the primary fan, but I have never used it. Maybe I should try it.
While my experience may not be the same as anyone/everyone elses, I have never had a cooldown issue with any of my Maks, both Mak/Cass, and Mak/Newt.
In as much as budget though, certainly with a Mak/Newt factor in an equal amount of cash for the mount, as they demand a bigger more robust mount than any Mak/Cass of similar aperture.
Newt, and especially longer focus newts, are the same, a long lever arm. I normally describe my Mak/Newt as a newt with an expensive see through secondary holder, and without the diffraction spikes.
It would be good to have a crack at one of these new Chinese Mak/Cass scopes, as their Russian cousins are unbeatable. The advert in the latest Sky & Space at first glance made me think they were from Russia, for some reason, but I now don't think this is correct??
Gary
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