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Prophoto trouble

Kommentare

12 Kommentare

  • Paul Steunebrink
    First itch from your post: Vista x64 and CS2: not a supported combination.
    Suggestion: download a CS4 trial from Adobe and see whether it works for you.
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  • Rolf Sonnenfeld
    Thanks, I didn't know that 🤓

    Will give it a try..
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  • Rolf Sonnenfeld
    I have installed the CS4 trial.

    Now the profile that matches is sRGB !

    Neither AdobeRGB or ProphotoRGB work.

    The blues in C1 are quite a bit more red in C1 than in PS4... Reds, yellows and greens seem to be spot on.. ?!

    Is there a setting in Vista's CM that has been mangled ?

    Open to suggestions, and a little desperate... This is like catching fish barehanded. 😕
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  • Permanently deleted user
    Realize this is from a user, and trying to examine a CM issue is problematical. I would also say I wouldn't use Prophoto as it is a larger color space than my monitor handles...BUT when you say you set the proof in Cone...that confuses me.

    PS will use the system profile, probably not the problem and messing with that might cause other issues...so my advice would be....since PS and COne match in SRGB, leave everything alone, change ONLY the export color space in COne and ONLY the color space in PS to match.....see if they match.

    PS behavior is to use the system profile to view the file as through a window....and I'm not sure about COne, but perhaps changing the proof profile cause it to "see" the preview in that color space rather than through the monitor profile...if that is so, you would definitely get a mismatch in color....

    conversely, if your monitor is profiled to 6500 at 2.2 gamma, and that profile is correct, THEN everything that's set to sRGB would look the same...wether a correctly set color aware app, or a web/other app that is not color managed but expects sRGB. That's why there's lots of benefits to working in sRGB, and few downsides. It's simple, easy, and a space that can be viewed on most monitors Hope that helps...
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  • Rolf Sonnenfeld
    I'd really prefer to work in Prophoto or aRGB though.

    I'm going to reinstall OS and see if that helps. Working on Weekends - I'll get a medal soon 😂
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  • Permanently deleted user
    [quote="Rolf27" wrote:
    I'd really prefer to work in Prophoto or aRGB though.

    I'm going to reinstall OS and see if that helps. Working on Weekends - I'll get a medal soon 😂



    I understand you want to work in Prophoto (and I'm not real clear on what space aRGB references, wether that's Adobe1998RGB or AppleRGB)....but did you try what I posted to try??? That involved working with either larger space, BUT since your monitor can show sRGB thers' a compelling reason for calibrating to that for WYSIWYG workflow.
    Working with a larger color space than you can display has some issues.

    I'm fairly certain that reinstalling the OS is a lot of work for no clear result, but if you've been advised to try that....IMHO I'd try the simplest solutions before the extreme ones..
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  • Paul Steunebrink
    Rolf27, Vista's color management is a bit confusing IMHO. I went through it and made some notes. Might be helpful. You'll find it here:
    viewtopic.php?p=29664#p29664
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  • Rolf Sonnenfeld
    @ John4

    I can understand the inclination to use a colorspace which is in the monitors visual range. However, I feel a bit silly when a camera and printer can reproduce more saturation and color than I'm allowing it to use. I guess it may actually go against common color management sense, in that one is kind of working in the dark when it comes to final output. Much have been written about this by smarter people than me. As such, I'll follow their recommendations before my own less competent ideas.

    But I see your point very well.

    Another thing with regards to this, is that if the other color spaces do not match, then the sRGB is probably also off by some degree.

    aRGB was in reference to Adobe's RGB..

    Thanks for the input 😊

    @ Paul_E

    After a clean (and lenghty) reinstall using one monitor only, things didn't look better.

    I did however notice, that before I calibrated the monitor and the new profile was used by windows, setting the appropriate color profile (in windows CMS device profile) gave me an accurate match.

    By appropriate profile, I mean using say Prophoto as the device profile. Why that would work I have no idea...

    I read your comments on Vista's CMS, and I think my problems stem from that area. Following your guidelines didn't yield any improvement though. I took notice of the red tint you had. That's what I am seeing (blues turn slightly purple.) It is harder to spot with red and yellow tones in the image (I need a new test image I guess.)

    I'm going to try being a little more methodical in my approach, and when time allows post some screenshots for illustrative purposes.

    What really irks me is that the trial version of lightroom has no problems. I guess Phase One and Adobe have chosen different paths on this subject...

    *Edit

    Sorry for the long post, and thank you for the help 😊
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  • Permanently deleted user
    Set the Proof profile in V4 to the listed monitor profile (that should be a v2 icc profile) instead of the color space you are trying to use...I belive will solve your mismatch problems. You did not do this in LR or PS, they automatically use the system profile (which should be the monitor profile if your calibration software is working properly.....which is why they work properlly.

    You can then set your export color space as you wish, just don't change the proof profile to match that...
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  • Rolf Sonnenfeld
    It can be hard to see the discrepancies I'm experiencing with most images. Even if I am sort of feeling like the lone motorist on the wrong lane of the freeway, could someone please take a look at this image and convert it in the prophoto space to Photoshop?

    http://rapidshare.com/files/295129718/JUN_9905.NEF.html

    @John4

    Phase One state that one should use AdobeRGB or Prophoto for best results.

    The proof profile should interpret the monitor profile data to give an accurate representation of that color space. I think...

    TIA 😉

    *edit

    Look at the blue wall in the shadows especially...
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  • Paul Steunebrink
    [quote="Rolf27" wrote:
    It can be hard to see the discrepancies I'm experiencing with most images. Even if I am sort of feeling like the lone motorist on the wrong lane of the freeway, could someone please take a look at this image and convert it in the prophoto space to Photoshop?

    I converted your image with three different work space profiles (ProPhoto, AdobeRGB, sRGB) and compared them in CS4 against Capture One. They all look extremely similar on screen (I have a wide gamut Eizo CG221).
    (OK, I'll be honest with you; I did this on my Mac; not tried this on Vista since few months but I was able to get perfectly matching results a few months ago).
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  • Rolf Sonnenfeld
    I'm going to copenhagen in a day or so. I'll give the experiments a rest before my head explodes 😂 and pick up later.

    Just thought I'd share some screenshots of my troubles..

    http://www.flickr.com/photos/29259825@N03/

    Have a good weekend 😊
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