My first RAW experience - need help batch correcting colors & white balance

Shawna89

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I'm a beginner. I have done some correction of jpg files in Photoshop, but now I'm jumping in the deep end with a set of uncorrected CR2 images that have problems with white balance and color.

Here is the white balance reference:

View attachment 50821

You can see it has a peachy and overcast look.

View attachment 50822

And how a white shirt looks in this lighting.

What I am hoping to do is run a batch correction of about 100 images based on the reference image. They were all taken in the same light and have the same color & shadow cast. Can someone point me in the right direction with a tutorial and recommend some open source software?

I could convert to jpg and correct in photoshop but that doesn't always come out so great and I wouldn't learn anything new!
 

480sparky

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White balance correction in post should be the same for a CR2 file as it is for a JPEG. The only difference is a raw file is much more likely to look good after a huge correction.
 
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Shawna89

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How can I determine what correction is needed based on the shot of the white/grey/black card, and then apply that same correction to all 100 other photos?
 

480sparky

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Depends on your software.
 
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Shawna89

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That's an easy one, I don't have any software except for UFRaw... what do you recommend that is free?
 

480sparky

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Have you tried the software that came with the camera?

ETA: I don't think UFRaw has a batch capacity.
 
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Shawna89

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I'm not the photographer, and I don't have experience with raw images.

I'm looking for help starting with square one, what software to use is probably the most important suggestion :)
 

480sparky

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I'm not familiar with Canon software, but I'd try the free stuff that would have come with the camera. I'm sure you can download it from the Canon website.
 

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make an action in PS to correct the WB. then batch > automate the action for a specific folder.

or: use lightroom.
 

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