Red & blue tint with ND filter

Discussion in 'Photography Beginners' Forum' started by alexschwarz, Sep 11, 2017.

  1. alexschwarz

    alexschwarz TPF Noob!

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    Hi there,

    just used my new ND Filter Haida ND3.0 1000x with my Sigma EX 10-20mm lens on my Nikon D7100 yesterday and somehow I couldn't manage to take a long exposure picture without a red and green tint in the Raw-Picture except one.
    See picture attached, 20 second exposure f/18, ISO 100.
    Any ideas why that happened and is there a way around that?

    Best,
    Alex


     

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  2. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    Cover your viewfinder. Light is leaking in there.
     
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  3. benhasajeep

    benhasajeep No longer a newbie, moving up!

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    A DK-5 eyepiece cover should have come with the camera. Designed to be able to be attached to the stock camera strap. If you don't have one. They are less than $5.
     
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  4. petrochemist

    petrochemist TPF junkie!

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    Some ND filters will produce an overall color cast, but that's not what your example shows. This is just a band of red caused by stray light & solved by 480sparky & benhasajeep.

    Whist trying to find the cover &/or waiting for the replacement to arrive, you can hang a hat over the viewfinder, or even just shade it with your hand (without touching the camera)...

    Both approaches normally work reasonably for stopping light getting in via the viewfinder. :)
     
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  5. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    Sometimes, you can just 'hang' your lens cap on the viewfinder.
     
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  6. alexschwarz

    alexschwarz TPF Noob!

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    Ok great, thanks! Will use it next time
     

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