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Thread started 06 Apr 2008 (Sunday) 18:52
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What happened to the color in this image?

 
tracer ­ bullet
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Apr 06, 2008 18:52 |  #1

The pink in the flowers at the top of the image is blocked up (the splotchy areas of "hot" pink color). This is how it came out of the camera (5D). ZoomBrowser, ACDSee, and Photoshop all see this effect in the RAW image itself.

I can see this happening as an effect of some type of conversion or processing, but as far as I know this is in the RAW file itself.

What is it and how can I prevent it?

IMAGE: http://www.sallee.org/greg/other/hotpink.jpg

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Damo77
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Apr 06, 2008 19:48 |  #2

Can you see it changing if you dabble with the white balance slider in your Raw conversion program?


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tim
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Apr 06, 2008 19:51 |  #3

I can't see a problem.


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Apr 06, 2008 20:26 |  #4

Damo77 wrote in post #5274153 (external link)
Can you see it changing if you dabble with the white balance slider in your Raw conversion program?

Yes, definitely does! Same for changing the tint. Well, that goes a long way explaining it, that color is just too hot? Looks like I can raise the color temp (goes a little higher than I'd like) but then fix that to some extent by sliding the tint towards the green side.

Thanks, not sure why I didn't think of that. I didn't even see the spots the first time through, and when I did, I noticed they were in the RAW files (well, as artifacts apparently due to the way they were pulled up by the various programs anyhow). I started then to think that it was in-camera, but clearly it is not.

tim wrote in post #5274171 (external link)
I can't see a problem.

I ran it again, approximately how I'd done it the first time, and erased circles around the spots I am looking at. Re-uploaded it, so the image in the first post is now changed.

Would be interesting if you still can't see it - although, it may have to do with different monitors, calibration, viewing angles, etc.


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Damo77
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Apr 06, 2008 20:31 |  #5

tracer bullet wrote in post #5274338 (external link)
Yes, definitely does! Same for changing the tint. Well, that goes a long way explaining it, that color is just too hot? Looks like I can raise the color temp (goes a little higher than I'd like) but then fix that to some extent by sliding the tint towards the green side.

I've seen this problem a few times, wherever you're dealing with a colour that pushes the boundaries of colour gamut (which doesn't necessarily have to mean super-bright colours). If you ever photograph fire you'll see it too.

In extreme cases, you have to process your raw file twice - once with normal white balance that suits the whole photo, and once with an adjusted white balance for the affected area - then use layers and layer masks in Photoshop to combine the two. You wouldn't have to do this very often, though.


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Apr 06, 2008 20:39 |  #6

^^ Awesome, thanks. I've done a little bit with layers & masks, and layering duplicate images, I will keep that in mind if / when I encounter this again.

I reworked the image with the white balance and tint sliders again, and actually like it better the second time around. I'll be keeping that in mind as well (I normally adjust white balance if needed but never mess with tint - guess I'll have to start).

Thanks again!


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Apr 06, 2008 20:51 |  #7

tracer bullet wrote in post #5274404 (external link)
^^ Awesome, thanks.

You're welcome. Have fun!


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René ­ Damkot
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Apr 06, 2008 21:51 |  #8

Might be helpful: Click (external link)


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What happened to the color in this image?
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