Extreme difference in measurements in different areas of the monitor

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  • #11416

    Ori Sagiv
    Participant
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    Hi,
    After noticing a weird scenario that sometimes 6500k is 100-98-98 RGB and sometimes 100-99-98, and also the luminance is sometimes 121 and sometimes 119 or less in my case,
    I made a test and took measurements from different areas of the screen (by moving the measurements box).
    I was shocked to see the luminance went down to 100 in some areas (not the edges.)
    Is this a normal behavior, or the screen is more defective than I thought?
    How should I approach to calibrate this monitor? the absolute center (default measurement box placement) changes every 2 days..

    #11466

    Florian Höch
    Administrator
    • Offline

    Hi,

    After noticing a weird scenario that sometimes 6500k is 100-98-98 RGB and sometimes 100-99-98, and also the luminance is sometimes 121 and sometimes 119 or less in my case

    These fluctuations are really small and insignificant.

    I made a test and took measurements from different areas of the screen (by moving the measurements box).
    I was shocked to see the luminance went down to 100 in some areas (not the edges.)
    Is this a normal behavior, or the screen is more defective than I thought?

    It is very common, unless the display has uniformity compensation, luminance and hue/chroma uniformity is bound to differ across the display surface.

    How should I approach to calibrate this monitor? the absolute center (default measurement box placement) changes every 2 days..

    Center is still the area where you’re going to focus most of the time.

    #11467

    Ori Sagiv
    Participant
    • Offline

    Thank you.

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