Just had the pleasure to experiment with a camera targeting the astronomy market, but offering great value for microscopy. Cooled, low noise (<1.5 e read-noise), high QE cameras that work with Micro-Manager can be bought for ~$1k: nicost.github.io/microscope-t...
The Sony STARVIS and STARVIS2 image sensors are back-illuminated, have high QE and low readnoise (where STARVIS2 increases full well depth over STARVIS). Even though these sensors are marketed towards...