Quote:
Originally Posted by Martin Pugh
Whereas most QHY CMOS colour cameras e.g 183C require you to add a UV/IR cut filter in the optical train
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I dabbled a bit with IR imaging with a QHY9 mono. I removed the UV/IR cut filter from the imaging train. I used an FSQ106N and previously a 90mm F/6 APO. The FSQ was a lot faster. I got some good results.