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<blockquote data-quote="petr" data-source="post: 558547" data-attributes="member: 42230">Hi everybody and thanx for your replies, to J-see especially. Yes, the magenta high ISO noise is in the pictures, not only on the rear display. Interestingly, the noise on the rear display is much more vivid then in the pictures. Usually I test the presence of the magenta noise in the photo by making an exposure with the lens cup on. Every exposure taken like this with ISO number from 5000 up shows the magenta noise, the higher ISO setting the stronger magenta noise. I hate to have found it out after purchasing the camera. Is it a normal phenomenon with all DSLRs of all makers including the most expensive top pro full frame cameras? Or should I have mine got serviced? Before purchasing my Nikon D750, I went through many reviews of the camera and its competitors and never hit a word about this annoying artefact. See this example of the night photo taken by my D750 at ISO 12800-f2.8-1/10s:[ATTACH]212948[/ATTACH]</blockquote>

[QUOTE="petr, post: 558547, member: 42230"] Hi everybody and thanx for your replies, to J-see especially. Yes, the magenta high ISO noise is in the pictures, not only on the rear display. Interestingly, the noise on the rear display is much more vivid then in the pictures. Usually I test the presence of the magenta noise in the photo by making an exposure with the lens cup on. Every exposure taken like this with ISO number from 5000 up shows the magenta noise, the higher ISO setting the stronger magenta noise. I hate to have found it out after purchasing the camera. Is it a normal phenomenon with all DSLRs of all makers including the most expensive top pro full frame cameras? Or should I have mine got serviced? Before purchasing my Nikon D750, I went through many reviews of the camera and its competitors and never hit a word about this annoying artefact. See this example of the night photo taken by my D750 at ISO 12800-f2.8-1/10s: [ATTACH=CONFIG]212948._xfImport[/ATTACH] [/QUOTE]

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