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Thread: Nikon D4s Exposure Issues

  1. #1
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    Nikon D4s Exposure Issues

    I just purchased a brand new Nikon D4s. I normally shoot Alpa...

    This is crazy. But my D4s is changing exposures between shots....

    Some come out dark, others brighter. I can shoot on High speed continuous shooting, and there are huge differences in exposure between them.

    I tried this with an older 200 f/2 and a brand new 70-200 f4.

    Still same thing.

    ...And then a couple hours later, it doesn't do it anymore. I played with some settings in the menus. But I don't think I changed anything that would have made this happen. Is there a setting that auto adjusts exposures?

  2. #2
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    Re: Nikon D4s Exposure Issues

    I had exactly the same issue with my D800E.

    It turns out I had activated exposure bracketing, and didn't realize it.

    When I figured that out and turned it off, sanity returned.

    - Leigh

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    Re: Nikon D4s Exposure Issues

    Quote Originally Posted by Leigh View Post
    I had exactly the same issue with my D800E.

    It turns out I had activated exposure bracketing, and didn't realize it.

    When I figured that out and turned it off, sanity returned.

    - Leigh
    Its not that... the photos are completely different. After looking closer I noticed that the dark spots are not consistent throughout and they are random... as if there is a cockroach walking around on my sensor....

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    Re: Nikon D4s Exposure Issues

    Quote Originally Posted by Leigh View Post
    I had exactly the same issue with my D800E.

    It turns out I had activated exposure bracketing, and didn't realize it.

    When I figured that out and turned it off, sanity returned.

    - Leigh

    Here are some example pictures to prove it.

    All first series taken with 200 f2 manual (sorry about mis focus it was dark and manual focus) 5000 iso f2 1/800 sec

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    Re: Nikon D4s Exposure Issues

    And when I thought it could be the lens, I put on a brand new 70-200 f4

    All taken at iso 5000 f4 1/250 sec

    Here are you can really see that the dark areas are inconsistent and not an exposure bracketing problem.

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    Quote Originally Posted by Leigh View Post
    I had exactly the same issue with my D800E.

    It turns out I had activated exposure bracketing, and didn't realize it.

    When I figured that out and turned it off, sanity returned.

    - Leigh

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    Senior Subscriber Member Steen's Avatar
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    Nikon D4s Exposure Issues


    I tried to find a hint about a user setting error by investigating the Exif information in the files, but I couldn't find any exposure differences between the darkest image and the brightest image. Strange.

    Maybe try Restoring the Default Settings with the Two-Button Reset: hold the ISO and WB buttons down together for more than two seconds, both buttons are marked by a green dot. The control panels turn off briefly while settings are reset (p. 211 in the manual).

    Or see page 301 about resetting to the standard settings via the menu.









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    Senior Subscriber Member Steen's Avatar
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    Nikon D4s Exposure Issues


    Despite how much I like your "cockroach-walking-around-on-the-sensor" theory I must admit that I think it looks more like a defect shutter, or a defect mirror that doesn't get out of the way.






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    Re: Nikon D4s Exposure Issues

    Quote Originally Posted by Steen View Post
    Despite how much I like your "cockroach-walking-around-on-the-sensor" theory I must admit that I think it looks more like a defect shutter, or a defect mirror that doesn't get out of the way.
    I agree and my money is the shutter being defective.

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    Re: Nikon D4s Exposure Issues

    Shutter isn't working properly, Get it fixed

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