Checked the Mk IV at Nex this evening. The MkIV spots the same excellent viewfinder found on the NEX6, not the downgraded one in the A6000 and Mark III. Looking through it feels as if you are looking into an optical viewfinder! I miss that feeling when I upgraded from NEX6 to A6000 ! The rest of the camera feels almost like the Mk III except the usb and hdmi port doors which are smaller. While the focussing is supposed to be faster, I did not notice the difference. My take it bang-for-buck the mark III would be a great choice until the $1399 price tag of the mark IV falls...
I was quoted $1232 for the IV with a couple of free gifts. Anyway I picked up a lightly used III instead, don't need the advanced video features.
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