Red & blue tint with ND filter

alexschwarz

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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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480sparky

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Cover your viewfinder. Light is leaking in there.
 

benhasajeep

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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.
 

petrochemist

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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.
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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alexschwarz

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Ok great, thanks! Will use it next time
 

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