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photos presentations on widegamut monitor

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13 comments

  • Jeff Lambert

    Hi Andrea,

    AdobeRGB is a bigger gamut than sRGB, most wide gamut monitor strive to get as close to 100% of it's gamut but few actually do. As for your XN vew or lrfan, I can't find anywhere if those programs support ICC color profiles and if they honor them when viewing, so even if you save your jpeg with AdobeRGB, if the software you are using is ignoring the profile, it won't matter, everything will NOT look good. So find a software that supports the ICC profiles in your file and select AdobeRGB if your monitor supports near 100% of its gamut. You'll often find clame of 98% or 99% of AdobeRGB which is fine. If it claims 100% of sRGB and no mention of AdobeRGB or DP3 then it's not a wide gamut monitor.

    HTH

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  • andrea pedrazzini

    Thank you Jeff.

    Can you suggest some good image visualization tool running on Windows 10 that support ICC profiles?

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  • Jeff Lambert

    Sorry Andrea, I'm not familiar with Windows at all. On Mac, the System is in charge of that and most app will use Apple's tools to display their colours. I don't know how windows app deal with that.

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  • Gerald Pasternack

    I use a Benq SW240 Wide-Gamut monitor with built in LUTs to store profiles.  I use aRGB for my editing, and viewing. I print and web-share using sRGB

    In addition, generated ICC profiles are passed on to Windows 7 (and associated GPU) and are stored for use with color-aware/color-managed applications.  These apps include FastRawViewer, On1 PR2019, and of course PhotoShop and LightRoom.  Probably many other apps that allow setting color management using the default ICC profile in O/S

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  • Rick Sammartino Community moderator

    Ok, I have to ask the obvious stupid question. What is an " image visualization tool"? To me that sounds like a Photo viewer.

    Also, requarding Jeffs post, in Irfans Properties/Setings under Zoom/Color management is an option to use a custom ICC/ICM profile file. I've never tried it, but it's there.

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  • andrea pedrazzini

    Hi Rick,
    Correct, with "image visualization tool" I was meaning Photo viewer (sorry, my English is quite poor). I used Irfan viewer but then discovered that when I export an image with PR 2019 embedding a certain color space (aRGB or Prophoto) I was not able to find it in the EXIF data list read from Irfan. I do not know if it is a problem of Irfan setting or driver updating or what else... I'm now using XN View MP which has color management capability, is very powerful and it is free of charge.

    A question to Gerald which use Windows OS: when generating ICC profile with a monitor calibration / profiling tool ( I use Xrite display pro and  BenQ SW271 monitor) how shall I set the Windows color management interface in order to be sure that the system make color adjustment in accordance to the updated monitor profiling? (I would calibrate/profile the monitor every 4/5 months)?

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  • David Kick

    Hi Andrea, If you are using a Benq Monitor you should be using the Benq Palette Master Elements software with your XRite to calibrate your monitor since the monitor has hardware calibration. Using the Benq Palette master software any calibrations you do will be stored internally on the monitor itself and will override any color management done by the windows system. Calibrations created using the Xrite will be stored as calibration1 or calibration2 which you set when running the software. After a calibration is stored on the monitor you must select it using the monitor on screen display in the "Color Mode" menu.  I am using a Benq SW2700PT and this method works well for me. Using the monitors internal hardware calibrations you have no need to worry about the windows system or display card color management. 

    Edited to add: I agree with Gerald's comments above:" In addition, generated ICC profiles are passed on to Windows 7 & 10  (and associated GPU)"   I will add if you are using an Nvidia card  you need to set the Nvidia software to allow other applications to control color settings see photos below.

    Here's a link to a video using the software on a Benq monitor. There are others as well

    https://www.youtube.com/watch?v=J-rwZC-X1oE

     

    Nvidia settings

    Windows display settings showing calibration passed from Palette Master software

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  • andrea pedrazzini

    Thank you David for the precious suggestions and link. I'll test the Benq palette master element as well.

    Andrea

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  • Gerald Pasternack

    David, Andrea:

    For what it's worth here is the way that I calibrate and store profiles withinof  the 3 hardware LUTs of my Benq SW 240

    CAL        LUM      COLOR SPACE     USE

    #1           80           sRGB                     Printing preview; viewing in low room light

    #2           120        aRGB                    General viewing, esp in bright room light

    #3           120        sRGB                     web use

    Currently using a White Point of 6500K (D65)In all instances.

    Profiles are also stored in Windows system.  For critical work I need to verify that the default Windows profile matches the monitor profile being used.

    Seems to work for me , but still optimizing to fit my needs.

    Gerry

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  • andrea pedrazzini

    Gerry,

    Very interesting, thanks for sharing information. For sure the best color space to be adopted depend form the HW you are going to use, I usually make images presentations on monitor or projected and have no a great experience of printing but in the next future I would start to print as well.

    I was convinced that for printing purpose a wider than sRGB space (aRGB, Prophoto) was closer to the printer capabilities and then would provide a higher consistency between the color displayed by the monitor and the ones actually printed. Do you experienced differently? (I see you are using sRGB for printing preview)

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  • Gerald Pasternack

    Andrea:

    Briefly stated ---

    Most of the popular printers convert your input, wide-gamut or otherwise, to sRGB color space.  Some of the newer (high-end) printers have a color space close to Adobe RGB, so you should take advantage of that -- particularly since your wide gamut monitor will let you see these colors.   If you are editing for print and you do not know the printer's color-space., the safest choice is sRGB for your monitor view and for your output output to the printer.

    In summary, sRGB is for printing and web; aRGB is for viewing and sharing; Native is for personal viewing (most colors, most errors - perhaps)

    Hope this helps.

    Color management is complex, and there is always more to the subject (we've not even mentioned B&W, or the printers conversion to CYMK)

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  • andrea pedrazzini

    Thank you Gerry. It is very clear..

    Going back to the best color space to be used during editing when the requested output is a Tiff /jpg file to be viewed on a wide gamut monitor, there are several photographers that suggest to use Prophoto or wider color space respect aRGB.

    What do you think about it? Why it should be better to use a so wide color space which include colors that are not visible by the human eyes?

    A

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  • Gerald Pasternack

    You should use a color-space that lies within the gamut of your monitor.  I don't think ProPhoto is supported (by BenQ) so some colors might get lost or result in artifacts. 

    Pro-Photo is probably similar to BenQ's "Native" gamut, which is broader than aRGB.  OK for monitor viewing, but not a standard gamut so apps and other viewers cannot accurately use this.  aRGB is a standard, and is a better choice.

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