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loosing sharpness and detail

Permanently deleted user
When I convert files from mos to tif or jpeg pictures loosing sharpness and detail . What I’m doing wrong?
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  • Jim MSP
    In your process recipe, what is your scale and resolution?
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  • Permanently deleted user
    300 and Fixed
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  • Jim MSP
    300 is probably your resolution in pixels/inch
    But what is your scale - either in inches or total pixels?

    Here is one I use for sizing for the web - at this scale, 750 pixels wide, I would see a loss of detail.

    http://www.pbase.com/jimmsp/image/138555027

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  • Jim MSP
    If your scale is "fixed" and 100%, I don't see why you should be seeing a loss of detail.
    Are you seeing a difference between the output jpeg and tiff file?

    BTW, what camera, OS and CO version?

    FYI - I have not experienced this on any of my Canon 60D raw files processed on my Windows 64 system with CO 6.x.

    Jim
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  • Permanently deleted user
    I have format TIFF 16 bit
    compression none
    ICC profile Embed camera
    resolution 300 px/in
    scale Fixed
    100%
    sharpening disable.
    Camera mamiya 645df dm33
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  • Keith Reeder
    sharpening disable.

    Errr... This is likely to matter.
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  • Jim MSP
    The disabled sharpening will effect the loss of sharpness.

    Try a sRGB output ICC profile to see if that effects your perceived loss of detail.
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  • Permanently deleted user
    Seems to me. But why?
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  • Jim MSP
    [quote="NN202425UL" wrote:
    Seems to me. But why?


    Take a look at http://help.phaseone.com/en/co6/output/ ... e-one.aspx

    where it says
    For Web
    Images that are intended to be published on web sites should be processed into the sRGB color space as few web-browsers are capable of color management and the subtleties of images will not only be lost but can also be incorrectly displayed.

    Your monitor probably is set to display in sRGB.
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  • Permanently deleted user
    I'm talking about sharpening. Why I need enable sharpening when I convert to tif . I don't really worry about web.
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  • Jim MSP
    [quote="NN202425UL" wrote:
    I'm talking about sharpening. Why I need enable sharpening when I convert to tif . I don't really worry about web.


    I guess I am a bit confused.
    Your first question was : When I convert files from mos to tif or jpeg pictures loosing sharpness and detail .

    I assume you are making this statement from what you see on your pc monitor. Is your monitor displaying in a sRGB mode?
    The ICC will effect the detail that you see; if colors are displayed incorrectly, that will contribute to a loss in perceived detail.

    In addition, the image you are observing on the screen has probably been sharpened by CO - unless you have chosen "no sharpening" in the detail tab.

    Thus, if you look at the image on the screen and it has been sharpened, and you output it with no sharpening, the output file will be different from what you first see.
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  • Permanently deleted user
    It is make sense. I have default sharpening in preview. When I convert I disable sharpening.
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