Overexposing V Underexposing

Started Feb 10, 2013 | Discussions thread
nixda
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Re: Expose to the Right vs DR Auto, DR200, DR400
In reply to baobob, Feb 12, 2013

baobob wrote:


So, an image could be perfectly ETTR in its JPG version while at the same time being underexposed in its raw version. Likewise, an image can be perfectly ETTR in its raw version, but then, very likely, the ooc-JPG version will have blown highlights, and only some different tone mapping in post processing will preserve those, if desired.

In my understanding ETTR should be done only for RAW (see the original LL refrence I gave in this thread)...

Yes, but most people (I would presume) attempt to do ETTR while using the in-camera JPG histogram as a guide.

with DR 100 and no settings for shadows and highlights apart 0 which means no attempt in camera change of tonal curve

As far as I can tell, the least biased settings are -2, not 0. -2 means no (or very little) of what the parameter is referring to. For example, sharpening -2 means no sharpening. It does not mean 'negative sharpening', i.e. blurring. Likewise for the other parameters.

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