Have an ASI094 (same 36mp sensor as a Nikon D810) in excellent condition that I am no longer using. Comes in original box and will come with adapters for a Canon EF mount and a OAG.
Some images taken with the camera:
https://www.astrobin.com/full/qzyx5e/0/
https://www.astrobin.com/full/954gxz/0/
https://www.astrobin.com/full/oa7gzk/0/
https://www.astrobin.com/full/bdgv2c/B/
Looking for $3,250 ONO