Jim Kasson Tests show a7R IV Dual Native ISO and No PDAF Pixel Banding
Published: August 26, 2019 Engineering Tests by Jim Kasson show Sony a7R IV has Dual Native ISOs of 100 & 320 and none of the PDAF Pixel Banding that plagues Fuji GFX 100 and Nikon Z7 cameras. Jim notes conversion gain changes at the transition from ISO 250 to ISO 320, which is lower than […]
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