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FORUMS Post Processing, Marketing & Presenting Photos RAW, Post Processing & Printing 
Thread started 21 Aug 2010 (Saturday) 10:32
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Lightroom2 Strange RAW Conversion Problem

 
benesotor
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Aug 21, 2010 10:32 |  #1

I was processing some images from a shoot the other night, and found that RAW images where there was particularly strong blue light LR blew it totally.

Lightroom version is 2.6, updated quite recently.

I'll show you an example...

With DPP...

IMAGE: http://i411.photobucket.com/albums/pp196/benesotor/DPP_0002.jpg

Now with Lightroom...
IMAGE: http://i411.photobucket.com/albums/pp196/benesotor/IMG_7002-2.jpg


Strange thing is, it looks fine for a second as it says 'image rendering', but once it's finished it comes out like that.

Any explanation or fix for this?

Cheers



  
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René ­ Damkot
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Aug 21, 2010 11:21 |  #2

Different Raw converters render an image different. Sometimes very different.
http://www.getcolorman​aged.com …t/problems/rawc​onverters/ (external link)

The initial preview you see is the built in (camera rendered) preview.

Go to the camera calibration tab, and choose the "Camera Neutral" profile instead of "Adobe Standard".

Might be that that doesn't help enough: LR doesn't like blues ;)
In that case, try adding a bit of recovery, lower vibrance and / or saturation, or lower blue saturation in the HSL tab.


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benesotor
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Aug 21, 2010 11:35 |  #3

Thanks, improvement definitely.

But still, the highlights, detail and colours are better from the DPP version. I hope adobe improves the converter..




  
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ChasP505
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Aug 21, 2010 11:54 |  #4

benesotor wrote in post #10762136 (external link)
But still, the highlights, detail and colours are better from the DPP version. I hope adobe improves the converter..

This is why we have this ongoing debate about which is "the best" raw converter. Some images are handled better in one converter than another. Most of us who have been working in raw for some time know this and have more than one (or two) raw converter(s) installed.

Re-read the linked article that Rene provided. Great information!


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benesotor
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Aug 21, 2010 12:16 |  #5

ChasP505 wrote in post #10762192 (external link)
This is why we have this ongoing debate about which is "the best" raw converter. Some images are handled better in one converter than another. Most of us who have been working in raw for some time know this and have more than one (or two) raw converter(s) installed.

Re-read the linked article that Rene provided.

Ok, so say If I wanted to use the DPP raw converter, but didn't want to edit in DPP... how am I able to edit in RAW in a different suite?




  
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HankScorpio
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Aug 21, 2010 12:43 |  #6

Also consider (and by consider I mean DO IT ;) ) making a custom colour profile for Lightroom and your camera. If you don't have one, you'll need to buy a standard colour checker chart (Xrite Color Checker Classic or Passport etc. ColorChecker Passport is a good choice as it comes with a Lightroom plugin for creating the profile). A useful thing to have anyway.

Basically, you take a photo of the chart under good lighting then either use Adobe's free DNG Profile Editor (external link) or Xrite's plugin that comes with the ColorChecker Passport to generate a custom colour profile for your camera. This will appear where the current Adobe Standard, Camera Standard etc profiles do and will be a billion* times better than the built in profiles because it will match your camera exactly.

*YMMV

EDIT:

benesotor wrote in post #10762136 (external link)
I hope adobe improves the converter..

They have in Lightroom 3 by a lot but profiling is the way to get the best out of it.


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ChasP505
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Aug 21, 2010 13:08 |  #7

benesotor wrote in post #10762274 (external link)
Ok, so say If I wanted to use the DPP raw converter, but didn't want to edit in DPP... how am I able to edit in RAW in a different suite?

I'm a little confused by your question... If you edit (adjust) your CR2 raw files in DPP, the adjustments you make will not be read by or transferable to another raw converter, like LR or ACR. You can still edit the raw files in any other software that supports CR2, but you'll be starting from scratch.

You CAN convert the raw file to a TIF and edit that in LR or ACR, but to a lesser extent than a raw file.


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Aug 21, 2010 17:28 |  #8

I use Lightroom for importing and processing my Raw files but I also have DPP installed and won't hesitate to use it when I want to. You can do a conversion of a Raw file from DPP and still have the file in Lightroom, it's just that LR won't "see" the DPP adjustments to the Raw file. You can, though, import say a tiff from a DPP conversion into Lightroom if you wish.


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René ­ Damkot
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Aug 22, 2010 07:05 |  #9

benesotor wrote in post #10762274 (external link)
Ok, so say If I wanted to use the DPP raw converter, but didn't want to edit in DPP... how am I able to edit in RAW in a different suite?

Convert to tiff in DPP, use another raw converter to also convert to tif, layer those two tif files in PS. ;)

If you could make the CR2 available (put online somewhere, or use yousendit), I could give it a try.
I think with a bit of tweaking LR2 might be able to do better then DPP. ;)


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benesotor
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Aug 22, 2010 07:54 |  #10

René Damkot wrote in post #10765559 (external link)
Convert to tiff in DPP, use another raw converter to also convert to tif, layer those two tif files in PS. ;)

If you could make the CR2 available (put online somewhere, or use yousendit), I could give it a try.
I think with a bit of tweaking LR2 might be able to do better then DPP. ;)

Okay I might try that workflow out..

Sure, if you wanna have a play the file is here...

http://www.mediafire.c​om/?8obmyaodld72154 (external link)




  
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PixelMagic
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Aug 22, 2010 08:54 |  #11

Try changing the Camera profile in the Camera Calibration panel....my guess is that you used the default Adobe Standard in Lightroom. Another profile like Camera Standard or Camera Neutral might give you a better result.


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René ­ Damkot
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Aug 22, 2010 12:46 |  #12

Pretty easy fix in LR. (At least the blues; needs some more work to get "nice". Faces are too overexposed to get meaningful detail)

IMAGE: http://img.skitch.com/20100822-mr52cgagwnbsyd4hay7br1r4a8.jpg
IMAGE: http://img.skitch.com/20100822-mrpsfq6mqwq44npndiwhgyiqc2.jpg

Gives this:

HOSTED PHOTO
please log in to view hosted photos in full size.


You could also try pushing the blue / purple hue sliders around a bit.

Using the local adjustment brush, you can go a bit further, but (since the hot spot is rather blown) only so far:

IMAGE: http://img.skitch.com/20100822-nr7h3w9e8s4rfgnb7t3cqca6ff.jpg

Using Photoshop, you obviously have more options, but I don't think that would be necessary given the setting it was taken in: It's supposed to look like that :)

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benesotor
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Aug 22, 2010 13:39 |  #13

Looks much better, thankyou!

Saves much frustration now that I can edit RAW files that have some blue in them :p

This image itself didn't make it as a keeper, I used a brighter one, it just showed the effect well... but this will help me with plenty other shots from the batch :)




  
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Lightroom2 Strange RAW Conversion Problem
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