Camera Profile with Working Color Spaces

All About ICC Profiles and Working Color Spaces (Podcast 577)

Following the release of my video on soft-proofing, I received a few questions that helped me to realize that I need to spend a little time going over the reasons that we even need to use ICC profiles, and what they actually do. You may recall from the video I...

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Martin Bailey
Martin Bailey is a nature and wildlife photographer and educator based in Tokyo. He's a pioneering Podcaster and blogger, and an X-Rite Coloratti member.
4 Comments
  • Philippe Rouquet
    Posted at 22:34h, 12 June Reply

    Thank you Martin for this very interesting article.

    I calibrate my display (Eizo CG277) with the BasICColor Display software and use L* gamma.
    Thus, instead of choosing ProPhotoRGB (gamma 1.8) as my working color space, I tend to use ProStarRGB because it has a L* gamma (close to 2.2).
    In specialized fora, they say the gamma is irrelevant (http://forum.luminous-landscape.com/index.php?topic=34929.0) in a color managed workflow. What’s your take on this tricky topic?

    Also, it has been said that Capture One Pro has a very large working color space (proprietary), but slightly less so than ProPhotoRGB. Is this true?

    When we are editing in Capture One Pro, how can set the program to make sure it uses the internal working color space (that is, if you do not want to use ProPhotoRGB or ProStarRGB). Is this related to the setting View -> No proof profile ?

    Phil

    • Martin Bailey
      Posted at 10:16h, 21 January Reply

      Hi Phil,

      Sorry I missed your comment until now.

      I just go with the standard gamma (2.2). There’s no reason, in my opinion, to change that.

      The internal Capture One Pro working color space is pretty much the same as ProPhoto RGB. I believe that if you select View -> Proof Profile -> No Profile, you are telling Capture One Pro to use it’s internal profile.

      Regards,
      Martin.

  • Levente Csillag
    Posted at 06:27h, 21 January Reply

    Hi. Great article. I just getting into more serious about colour management. I have a Benq sw270c calibrated with i1display pro used palette master elements. The profile what i got i use it as primary display. Im on win10. I plan to use dxo photolab4. Just know idea how to use my profile for that. I want to get the best quality possible after editing. Some images will be send to a lab to print, others will be shared on the web. I cant get my head around how to export images to get ready for print? I mean which options would be ideal? I know i have to match the printer to the monitor but what if i dont print at home? What output setting are good? Thx

    • Martin Bailey
      Posted at 10:24h, 21 January Reply

      Hi Levente,

      You don’t need to use your display profile for anything else. It is only used by your computer for the display, so once you have the profile created and selected for the display, you can pretty much forget about it.

      The color space that you use to edit your images is set by your editing software, and is generally something very wide, like ProPhoto RGB, and this is fine. The other uses for your images use what we refer to as Output profiles, so you can use sRGB when outputting images for the web, but only on output. Don’t save your base images in smaller color spaces like sRGB. If you ever need to save a copy of your original raw file, I recommend saving it with the ProPhoto RGB profile to get maximum wiggle room when editing.

      Likewise, when sending images for printing, you would save a copy converted to another profile just for that purpose. Some labs just want sRGB, some want Adobe RGB. Some will tell you a different profile to select and some will actually provide you with a profile file to use. It depends on the lab, so please check with them before you save your images for print.

      You don’t have to match the printer to the monitor for this. The printer and media (paper) relationship is all that is important. The printer doesn’t know or need to know anything about your display profile.

      I hope that helps!

      Regards,
      Martin.

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