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08/12/2008 06:21:51 PM · #1 |
| Does shooting in RAW extend the tonal range at both ends (shadows and highlights), or is it just the highlights which benefit? |
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08/12/2008 06:24:03 PM · #2 |
I'm pretty sure that it is better for both. I'm not 100%, but i know on my raw shots i have incredible control over bringing up the shadows as well as dropping down highlights.
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08/12/2008 06:55:19 PM · #3 |
I tried some test shots. I took a very underexposed shot in RAW and in JPG (it looked totally black on the preview) - I increased the levels/exposure in both the RAW and JPG versions and found that the results looked exactly the same, same levels of noise, same shadow recovery etc.
However, when I tried the same experiment with a very overexposed shot, I wasn't able to get the highlights restored in the JPG version (as I would expect)
So now I'm thinking that when the camera does the RAW->JPG conversion, it is not compressing from 14 to 8 bits equally at both ends (LSB and MSB) but is in fact chopping off the 6 bits at the highlight end. |
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08/12/2008 07:16:15 PM · #4 |
That's why the general rule is to expose to the right.
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