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FLI are always more expensive and position themselves as an upmarket high quality camera. I doubt anyone uses water cooling on a FLI camera as they already cool very hard and its easy to achieve -30C almost anytime and -40+ in winter. The CCD window will be advanced anti reflection coated and there is their RBI flush which is well implemented (I have never used it though).
You can also have dew heaters installed on the CCDwindow (my Proline has those). Electronics are very clean and downloads are fast. The body is well made and all the plugs/sockets are strong and long lasting. All the software and drivers work and they are compatible with Sky X and Maxim. But its US$6750 which may have been palatable when the Aussie dollar was at parity or even higher but now its a fortune for basically an APSc sensor not even full frame.
QHY is more expensive and both have a built in filter wheel. If there are issues with QHY compatibility with the Sky X I would not be interested as that is my acquisition platform. But I do like the look of their model with the built in filter wheel and the attachable OAG which I think is included in the price.
Moravian G3 16200 is 2910 Euros with no filter wheel and 200 odd Euros for one included. Plus an extra 200 Euros for enhanced cooling (they don't specify what that is).
A Starlight Express Trius would be good too. I find the Trius overall quite good. I don't know if Terry Platt has plans to do one. He said they may do a KAI8050 but not the 16200. I suspect they have issues with shutters and prefer sensors that don't require shutters.
Greg.
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