D3100 - Viewfinder Ghosting

[daanielcaraujo]

Hey there, i'm having problems with my viewfinder, whenever i look at a luminous object such as a light bulb
a kind of ghost of the object apears in a offset point of the original image, if i by any chance i rotate the camera,
the ghost follows the rotation. image looks ok thorough liveview, and picture.
Is there any thing i could do to fix this myself or just sending to assistence.
Just another thing, this happens even with camera off.

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[KmH]

Any bright light in the image frame will produce flare.

[daanielcaraujo]

i understand that, but in this case the image will not flare the in the picture only in the image on the viewfinder