Spot metering small demo

Discussion in 'General Technical Discussion' started by Iliah, Sep 22, 2005.

  1. Iliah

    Iliah

    Jan 29, 2005
    nowhere
    No adjustments done to the files. Files are resized and saved with Nikon Capture, to preserve EXIF information. Colour compensation filter and stabilizes flood lights were used to avoid any white balance adustments in postprocessing. Files have Nikon Adobe RGB profile embedded.

    Spot-metered from the central white patch:

    [​IMG]

    Compensated +1eV:

    [​IMG]

    Compensated +2eV:

    [​IMG]

    Compensated +2.5eV (will work more or less if NEF is ncmprssd):

    [​IMG]
     
  2. MontyDog

    MontyDog

    Jan 30, 2005
    #1064 - You have an error in your SQL syntax;
     
  3. Iliah

    Iliah

    Jan 29, 2005
    nowhere
    Dear Paul,

    If you download the files and measure noise, you will see that exposing to the right at low ISO may not be absolutely necessary. I will repeat the experiment with different ISO settings first; centre-weighted and matrix will work close to perfect from ColorCheckers - they are designed for that. But of course I will run the same on matrix and centre-weighted, as well as AWB test.
     
    Last edited by a moderator: Sep 22, 2005
  4. Thanks Iliah that is a cool demo.
     
  5. Hi Iliah,

    Nicely done.

    I'll be interested to see the results using AWB, and at different ISOs.

    Best wishes,

    David
     
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