ISOless sensors, read noise and photography - many questions!

Started 6 months ago | Discussions thread
bobn2
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Re: full circle: "just raise ISO, when necessary!"
In reply to Steen Bay, 6 months ago

Steen Bay wrote:

bobn2 wrote:

boardsy wrote:

From http://www.sensorgen.info/SonyNEX-C3.html

- no visible benefit in keeping ISO at the low read noise minimum (800 for this sensor), and possibly struggling with a dim view/LCD in camera, and raising brightness later.

I'd be very interested if bobn2, Great Bustard, Gollywop, Detail Man et al would agree?

It depends on the scene. If the scene has a higher tonal range than can be handled by the 'correct' ISO, then there is advantage to using the lower ISO.

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Bob

Could be argued that the ISO isn't 'correct' if important highlights are blown. Then the 'correct' ISO would be a lower ISO where the highlights are protected.

I don't use the term 'correct' myself, which is why I put it in quotes. Feel free to engage in as much semantic onanism as you want, concerning what might or might not be the 'correct' exposure.

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Bob

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