A friend of mine who bought the D850 came over and we decided to swap gear for the rest of the week. He's borrowing my a9 and lenses while I have his D850, 24-70/70-200 and 35 for the rest of the week. First thing I notice is the size. It's noticeably heavier but not disgustingly slow, maybe because the a9 is already 673 grams and the RRS plate adds another 95 grams to it. The D850 is 915 grams or 147 grams more but arguably more comfortable to hold because of the grip and better ergonomics. Hearing the mirror slap is a throwback. And the AF points seem to cover maybe 40% of the screen, a huge drop from the 91% of the a9. And have to get used to shooting at 1/2x or even 1/3x FL, so I'm at 1/125 or faster with the 35, and 1/125 or 1/250 with the 24-70. No more crazy 1/15 or 1/20 because of no IBIS. DR though is very impressive and 46mp to crop is crazy.
I love shooting the a9 but it's still like most Sony cameras to me, it feels more technical and like I'm using a computer for computational photography at times while going back to a DSLR feels more traditional, and old school at times. I'm of the camp that neither is the best and both have their places. I love an EVF, I like an OVF. I love shooting with h the rear screen on a mirrorless, hate shooting with one on a DSLR.









