a7M3: Color Cast in shadows

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mcslsk Veteran Member • Posts: 3,683
a7M3: Color Cast in shadows
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Not sure what's going on. Updated my a7M3 to latest firmware. Shot a wedding last weekend and in some (only some) images I noticed a strange magenta green color cast. The shot below was underexposed by 2 f-stops which had never been an issue on this camera or the a7R2 or a6500. One can already see the color cast before exposure adjustment if one looks closely. This image was edited in LR6 with the Camera Standard profile. But it also shows using Sony's Imaging Edge. Flash was used.

Question: Have you seen this also? Does my camera sensor have an issue and needs to be replaced - but then this is only in some shots. Is it firmware related? Or is it the flash?

Or was it the accidentally dialed in f19?

Crop w/o edits LR Camera Standard

Autoexposure +2 f-stops and Shadows +50%

 mcslsk's gear list:mcslsk's gear list
Sony RX100 III Sony a7R II Sony a6500 Sony a7 III Canon EF 135mm F2L USM +50 more
Sony a6500
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