Noise and ETTR

Started Feb 6, 2014 | Questions thread
Bob Tullis
Bob Tullis Forum Pro • Posts: 36,347
Re: Noise and ETTR

smithling wrote:

Bob Tullis wrote:

It's best to 'debate' such practices with photographic examples, to insure all parties are referencing the same type of scenes with contrary positions. Otherwise. . .

Yup. There are certainly scenes where ETTR can yield better SNR. However, because of the ETTR drum banging, we have (as I have seen) folks with a modern camera running around in the day time making a fuss about ETTR. Silly!

I don't disagree much with that.    But in another sense even at ISO 200 on a bright day one can get blue sky noise.  I haven't done determined tests, but if I can up the exposure 1 stop more w/o blowing highlights in the daytime, I'll do that when in a RAW only mode.   Even if only for a little theoretical comfort [g].  It can't hurt.

The practice is sound, but really understanding it is key (like anything).   And if one understands it becomes apparent when (& why) one can relax and throw ETTR to the wind.   I like to think of it as shooting for the visual result with JPG, shooting for the sensor's S/N for RAW if/when it matters, in short.

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...Bob, NYC
"Well, sometimes the magic works. . . Sometimes, it doesn't." - Chief Dan George, Little Big Man

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