RX100 is a ISO-less camera.

Started Aug 29, 2012 | Discussions thread
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Mato34
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RX100 is a ISO-less camera.
Aug 29, 2012

Did some test using Raw Therapee and ACR 7.2 for processing RAWs.

Two shots with same exposure, but one at ISO 3200 and the other at ISO 125.

Processed RAWs with same parameters, but with a compensation of + 4.66 EV applied on the one of ISO 125 to reach same exposure than the ISO 3200.

Results are very very close. I'd say they look almost the same. This would mean a very big dynamic range (have to do a complete test though). I think it's the best result we could expect regarding this

Two screenshots of results from Adobe Camera Raw (Raw Therapee gave me a slight magenta cast under that +4.66 EV compensation: for me conclusion would be the same "ISO-less" results, but aren't as pretty to post). The one on the left is the ISO 3200 image, the right one is the ISO 125 + 4.66 EV RAW compensation.

Saludos!

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Please, excuse my poor english...

Sony RX100
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