A7r vs RX1: Purple noise on high iSO Locked

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Rhawi Dantas
Forum MemberPosts: 64Gear list
A7r vs RX1: Purple noise on high iSO
7 months ago

After using mainly the RX1 for a couple of days I went back to my A7r and found out that there is a weird purple-ish noise on the darker tones of images.
Both images were taken with their maximum allowed ISO setting in each camera (25600), same aperture and shutter speed and auto white balance. It seems that the A7r fared worse than the RX1.

Can anyone explain why this is?




ps. To those who might say "just use a lower ISO": I can't, I keep it auto and highest in both cameras due to my style of shooting.

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 Rhawi Dantas's gear list:Rhawi Dantas's gear list
Sony RX1 Sony Alpha 7R Voigtlander 50mm F1.1 Nokton Sony FE 35mm F2.8 Sony FE 24-70mm F4 OSS
Sony Alpha 7R Sony RX1
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