GPM462M

I used an IMX178M sensor for guiding before purchasing this camea and I have to say its sensitivity is sensational. I think it´s useless to compare RMS rates as it depends on a lot of things, but I can say for sure that my guiding improved significantly with exactly the same rig except of this guide cam switch.

Nice little monochrome camera, with high sensitivity and 2.9um pixels, perfect for auto-guiding: it could have been a good planetary camera too, if only had a USB 3.0 connection...