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Tony & Chelsea Northrup review full-frame mirrorless camera image quality, dynamic range, sharpness, high ISO / low-light performance, sensor stabilization (IBIS) and banding: the Sony a1 (http://sdp.io/a1) vs the Canon EOS R5 (http:sdp.io/R5) the Sony a7R IV (http://sdp.io/a7r4) and the Nikon Z7 II (http://sdp.io/z72).

TABLE OF CONTENTS:
0:00 Intro
0:23 Sharpness
2:54 Sony Pixel Shift
4:18 Dynamic Range
6:50 High ISO
8:32 Sensor stabilization
9:11 Banding
12:29 Summary