Quote:
Originally Posted by gregbradley
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Of course a dark site is more important again but if you had 2 cameras and all other things were equal then the one with the superior cooling should be your choice................
Greg.
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Sorry Greg, (not surprisingly) I don't agree at all. All other things are rarely equal.
Steve's analysis is quite thorough...what aspect of the physics would you care to take issue with or debate?
The few S/N percentage points you gain by extra cooling are easily swamped by having the option to use a device...well, like an AO...which can easily add 20% more flux under a stellar Gaussian curve (translation: brighter & tighter stars)...as does self guiding.... as the pick off chip is looking at the same aplanatic field as the imager. *All* other guiding methods are less terse, and to say otherwise is...as I like to say: "bollocks"
Dismissing these benefits I think is a bit like knocking back Cindy Crawford
because she has a mole....
