- Smaller body due to smaller mechanical footprint - using image processing for focus rather than finicky focus sensors which only cover a small part of the im

- Smaller body due to smaller mechanical footprint - using image processing for focus rather than finicky focus sensors which only cover a small part of the image (and having to tune your lenses...) I’ve been on the fence of getting the latest Nikon 850 or waiting to see if Nikon announces a full frame mirrorless compatible with DSLR lenses someday... I saw a rumor they may announce some kind of mirrorless this year.