Should I go RAW only?

Started 9 months ago | Discussions thread
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In reply to carl english, 9 months ago

carl english wrote:

Tony Beach wrote:

Leonard Migliore wrote:

Lanidrac wrote:

Tony Beach wrote:

I routinely apply negative EC in the Raw converter to my photos before sending them to Photoshop for further work. By taking advantage of the extra headroom in the Raw files I get more DR and a bit less noise; when shooting JPEG you have to sacrifice the headroom or the photo ends up being too bright because exposure and every other camera setting is baked into the JPEG file. Consequently, I never shoot Raw+JPEG because the JPEG files are of no use to me.

FYI, you can edit jpegs in certain versions of CSRAW almost with the same amount of headroom of raws by opening the jpegs via Adobe Bridge. You will be surprised at how much can be done (regained) from those jpegs in CSRaw. Much more than editing a jpeg in Pshop alone. It depends on the Raw file version and the version of CSraw with Bridge whether it works or not. Try it.

And why would I want to have almost as much headroom?

I look forward to seeing how blown highlights are recovered.

Why do you keep blowing your highlights Tony, looks like your priority is equipment rather than getting it right in Camera, try harder with your exposures.

because the sensor records 50% of the data from the brightest 3 EV (or something like that) of the image. That means that in a 15 EV DR image you have 50% of data, say 13 MB, of the brightest 3 stops, and 6% of data, 1.5MB, of the darkest 3 stops of your image. Most sensors have around 1 to 1½ EV of highlight headroom. You lose a lot of information in both highlights and shadows if you always expose correctly and don't bracket, leading to worse images quality. It's something you should really know when using a digital sensor.

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