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Panasonic S1R: ISO Series 50 to 51200 (Dolls)
This page evaluates digital noise from ISO 50 through ISO 51200. Exposure was an optimal ETTR exposures which thus represents a best possible result.
In real-world shooting, the camera is likely to meter half a stop to a full stop less, and thus noise performance would in practice a stop less good than shown here unless careful attention is paid to using exposure compensation—which doesn’t make much sense at high ISO, since increasing the ISO means a slower shutter speed, which works contrary to the purpose of higher ISO.
Noise series @ 58% linear resolution
This first crop series is a 0.58X linear reduction (downsampling) from full resolution ~= 16 megapixels equivalent. Reducing by that amount is a reasonable proxy for print quality. The other crop series show actual pixels.
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