Canon 5D MKIII has a green cast/tint

Started 7 months ago | Questions
Rich Holland
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Canon 5D MKIII has a green cast/tint
7 months ago

Quick background: Over the course of the year I have been shooting with 3 different 5D MKIII's. I have also been using the 5D MKII and a 550D.  I always shoot RAW and the subject-matter I photograph varies from building interiors to landscapes. I process all my images in LR5 - I recently upgraded from LR4.

I have found that the images produced by the 5D MKIIIs have a very distinct green cast when I increase their exposure during post processing. This cast also appears when I bump up the shadows. The images produced by this camera always seem to have a very subtle green cast, which doesn't really bother me because I can work it out in LR. However, the intensity of green magnifies significantly when I am dealing with an image that is underexposed - even if it's just a bit. The intensity of the green is very pronounced and impossible to get rid of unless I want to affect the entire image.

I have found this to be the case for every MKIII I have worked with and have never experienced this issue with any of the other previously mentioned cameras.  I don't claim to be a guru when it comes to colors and profiles, but I am thinking there may be a profile I can download that will resolve this?

I have found other 5D MKIII owners to experience this same problem, but have yet to locate a solution - if there is one. I am at a loss. Any insight would be greatly appreciated.

For demonstration purposes, I have included two versions of the same underexposed image. One is the original and the other has had its exposure increased in LR5:

Original underexposed image

I bumped up the expose by 2.55 in LR5

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Canon EOS 5D Mark III Canon EF 24-70mm f/2.8L USM Canon EF 70-200mm f/2.8L IS II USM
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Rich Holland
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Re: Canon 5D MKIII has a green cast/tint
In reply to Rich Holland, 7 months ago

Ok, so since my initial post I decided to run a comparative test - because I realized that I don't always have this issue with the green tint.  I decided to shoot the same image twice - once as a RAW and the other a mRAW.  I found that the normal RAW image looked as it should and the mRAW has a distinct tint. I have uploaded each of the images.  I underexposed the image and then significantly increased the exposure in post.  Unless there is a way around the tint, I doubt I will ever shoot using mRAW again.

mRAW - look at that ugly tint.

RAW - a slight red tint but definitely more manageable than the green.

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Canon EOS 5D Mark III Canon EF 24-70mm f/2.8L USM Canon EF 70-200mm f/2.8L IS II USM
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marcio_napoli
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Re: Canon 5D MKIII has a green cast/tint
In reply to Rich Holland, 7 months ago

That's new to me.

Every other camera when bumping up shadows, if it has to shift colors, it will always go towards redish / magenta cast.

Never seem anything like it!

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bigfatron
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Re: Canon 5D MKIII has a green cast/tint
In reply to Rich Holland, 7 months ago

Rich Holland wrote:

Quick background: Over the course of the year I have been shooting with 3 different 5D MKIII's. I have also been using the 5D MKII and a 550D. I always shoot RAW and the subject-matter I photograph varies from building interiors to landscapes. I process all my images in LR5 - I recently upgraded from LR4.

I have found that the images produced by the 5D MKIIIs have a very distinct green cast when I increase their exposure during post processing. This cast also appears when I bump up the shadows. The images produced by this camera always seem to have a very subtle green cast, which doesn't really bother me because I can work it out in LR. However, the intensity of green magnifies significantly when I am dealing with an image that is underexposed - even if it's just a bit. The intensity of the green is very pronounced and impossible to get rid of unless I want to affect the entire image.

I have found this to be the case for every MKIII I have worked with and have never experienced this issue with any of the other previously mentioned cameras. I don't claim to be a guru when it comes to colors and profiles, but I am thinking there may be a profile I can download that will resolve this?

I have found other 5D MKIII owners to experience this same problem, but have yet to locate a solution - if there is one. I am at a loss. Any insight would be greatly appreciated.

For demonstration purposes, I have included two versions of the same underexposed image. One is the original and the other has had its exposure increased in LR5:

Original underexposed image

I bumped up the expose by 2.55 in LR5

What happens if you readjust the white balance? And +2.55 is a hell of an adjustment if you're doing it on anything like a regular basis.

Very unusual though, I have to admit.  Have you tried doing a similar adjustment in CPP (or another RAW editor) to see if its software-specific or definitely the file itself?

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Canon EOS 5D Mark III Canon EF 50mm f/1.8 II Canon EF 85mm f/1.8 USM Canon EF 70-300mm f/4-5.6L IS USM Canon EF 24-105mm f/4L IS USM +2 more
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Mako2011
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Issue with
In reply to Rich Holland, 7 months ago

That's an issue with LR5 not reading the mRAW format correctly. Try another Raw convertor (DPP) and check the results.

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Rich Holland
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Re: Issue with
In reply to Mako2011, 7 months ago

Thank you!  I found that normal RAW is issue free, but I definitely want to be able to shoot confidently with mRAW when I need/want to.  I'm going to check it out in DPP now.

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Canon EOS 5D Mark III Canon EF 24-70mm f/2.8L USM Canon EF 70-200mm f/2.8L IS II USM
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Rich Holland
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Re: Canon 5D MKIII has a green cast/tint
In reply to bigfatron, 7 months ago

White balance can minimize the green, but it won't remove it.  On top of that, all the other colors get wonky in the process.  Fortunately, I found this to only be an error with mRAW, RAW works fine - so I am happy to have a viable alternative.

I normally would underexpose an image like this on purpose with the goal of recovering lost data, I just wanted to show the intensity of the green.  And wow, is it intense!

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Canon EOS 5D Mark III Canon EF 24-70mm f/2.8L USM Canon EF 70-200mm f/2.8L IS II USM
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Rob
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Re: Canon 5D MKIII has a green cast/tint
In reply to Rich Holland, 7 months ago

I got a message from Rich about this, since I posted a thread about this exact same problem back in 2012: http://www.dpreview.com/forums/thread/3212799

I have tried other RAW converters such as DPP and ACR, and that green cast is there baked into the RAW file.

It's been a while since I have seen this problem in my photos, and I can't remember when it stopped showing up. I went back and combed through my photos, and the last time the problem showed up clearly was around April of last year, and since then I haven't really seen it all that much. I'm 100% sure it was before I switched to full sized RAW from mRAW because I checked the dates of photos, so it might not have anything to do with mRAW. Maybe Canon quietly fixed it in the last firmware update? Or maybe it was a very specific setting that caused it, but I've unknowingly stopped using that setting?

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Marx81
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Re: Canon 5D MKIII has a green cast/tint
In reply to Rich Holland, 7 months ago

I shot 5d3 in RAW and use DPP and never saw something like that .

http://www.flickr.com/photos/marxx/

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lemming2008
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Re: Canon 5D MKIII has a green cast/tint
In reply to Rob, 7 months ago

I shoot lots of low light environments using my 5d3, have never seen this behavior. I shoot RAW and use CS6, have never updated the firmware. I'd guess it is more likely to be something about the mRAW and/or LR5 workflow.

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