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Message: <blockquote data-quote="spb_stan" data-source="post: 683690" data-attributes="member: 43545">The naysayers were right...10 years ago... when the first ISO'less sensors were appearing. those are sensors which have a linear slope of noise plotted against ISO. Starting with the D90...to a degree and D7000 fully, all the Nikon cameras got such sensors except the D7100 which had good noise performance but it was not in a 1:1 noise to ISO degradation curve. It was a Hitachi sensor that had good performance did not follow the "setting the gain in post being the same as ISO set at exposure style noise. It sort of fell apart when pushing over 3 stops and noise and artifacts increased at a higher rate.. The PDR curves for the Z7 and probably the Z6 continue the ISO'Less plot that the D7000 started. At one time, sensors really varied a lot in DR so a D3s was dramatically better than the field. Now improvements are harder to come by with all FF sensors getting close to the format's theoretical limits for FF sensors and any improvement is due to image processing tricks and magic, not the sensor. Some companies started undefeatable raw noise reduction (Pentax followed by Canon and now Sony is doing that. That process always robs detail particularly edge detail and contrast. A lot of cameras are coming with heavy RAW noise reduction that you can't turn off at high ISO To be crowned the low noise king represents a lot of added sales. That is the bragging rights that have little relation to image quality since the really high ISO performance is bad on all cameras so are regions of the ISO range that no one is ever going to use, hence no one will complain about the 203,000 ISO image has 3db 1:2 signal to noise ratio will never be used but the ISO values into the millions establishes the new high ISO king</blockquote>

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