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Reviewing 1:1 on OMD EM1

Discussion in 'Olympus Cameras' started by mjgraaf, May 15, 2014.

  1. mjgraaf

    mjgraaf Mu-43 Regular

    53
    Feb 9, 2014
    Netherlands
    Menno
    When i want to look back a pic, i guess that i have to enlarge it roughly 14 times, right? Backscreen around 1mpixel, sensor around 16 mpixel. Or am i overlooking something?

    sent from my Sony using Tapatalk...
     
  2. Growltiger

    Growltiger Mu-43 Top Veteran

    644
    Mar 26, 2014
    UK
    I think the answer is about 4 times.
    Here is my calculation.
    A photo is 16MP.
    The LCD is 1MP.
    So a linear magnification of 4 on the LCD will display 1/16 by area.
    1/16 of the area is 1MP, and the LCD is 1MP, so it will be displayed at 1:1.

    However the pixels are very tiny, so you may need to magnify more than 1:1 to actually see them.
     
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  3. Ned

    Ned Mu-43 Legend

    Jul 18, 2010
    Alberta, Canada
    Close 'nuff for me. ;) I don't see much need for knowing exactly where 1:1 is. xD
     
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  4. Ned

    Ned Mu-43 Legend

    Jul 18, 2010
    Alberta, Canada
    Doubling the size adds 4x the pixels. That might help you in your calculations.
     
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  5. dhazeghi

    dhazeghi Mu-43 Hall of Famer

    Aug 6, 2010
    San Jose, CA
    Dara
    Note that if you're shooting RAW only, the previews are only ~8MP (3200x2400). If you're shooting Medium or Basic JPEGs, they're even smaller.
     
    • Like Like x 3
  6. mjgraaf

    mjgraaf Mu-43 Regular

    53
    Feb 9, 2014
    Netherlands
    Menno
    I wasn't realizing the square factor from magnification to # of pixels. Thanks, also for the warning for the max pic dimensions... I can still do much better in RTFM :)

    sent from my Sony using Tapatalk...