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Having not used either of them I can make some global comments. SBIG has better native driver support being a much older company than QHY but I have had no issues with my two QHY cameras and their ASCOM drivers. The QHY10 has a larger sensor and larger pixels. Read noise in comparable but the QHY10 has a larger dynamic range, near twice the well depth but similar read noise. The SBIG will likely download significantly faster than the QHY10, partially due to electronics but also smaller file sizes.
The SBIG is probably far more expensive than the QHY10. I'd personally got the QHY as it is a bigger chip, larger pixels (although not sure if that is relevant on your FL), better dynamic range, similar cooling, cheaper but requires ASCOM where as the SBIG will work natively.
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