this last week i machined an adapter for the creatively named QHY461(uses the sony IMX461chip) and was able to do some initial test images.
here's the camera mounted to an FLI filter wheel w/ 65mm chroma filters. the adapter (made from some scrap 6061 aluminum i had laying around) hasn't been painted yet, but i'm not really sure i was able to see a problem with that in the end results, but i should probably paint it so it doesn't look weird.
the telescope is a CDK1000 w/ a reducer which gives it a focal length of 4250mm.
you can see that the camera has liquid cooling ports (yellow capped) and two power inputs (black capped) and some gigabit and USB3 ports.
my initial impression is that the base cooling isn't super great. i took it down to -20C (but the ambient temperature was -12C) and it looked like it was taking a fair amount of power to achieve that. i'm guessing the unit really is meant to be liquid cooled.
the camera only supports 1x and 2x binning and w/ a pixel size of 3.7um i end up with extremely oversampled images even at 2x bin, giving me 0.36 arcsec per pixel and very large files (~50MB) that balloon up to ~100MB during processing in pixinsight.
here's a screenshot of a bias frame:
superbias frame (96 frames):
single dark frame (180s b2):
running cosmetic correction seems to not be very useful - doing a realtime preview i wasn't able to see any noticeable differences while tweaking the hot and cold pixel settings. i ran it anyway, but that was noticeably different than my experience with other cameras.
here is the processed image. 74 frames, 180s each w/ Ha filter. average seeing for my location (~2.5 FWHM)
processed w/ pixinsight (curve adjustments and that's it) and a touch of photoshop (histogram adjustments and very light sharpening.)
so i don't know if this is just psychology or not, but i'm really impressed by what this camera was able to do. i feel like i can say this is the best camera i've ever used.
anyway, this concludes my QHY461 first light and review post.