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tristan_2468

UK
10 posts

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tristan_2468 Registered since 21st Jun 2011
Tue 21-Jun-11 10:41 AM

Hi,

I am new to this forum, but I am desperate with a problem with my D3100.
It seems to *very* badly underexpose images in A mode, to the point of getting completely black images.

Using the 35mm 1.8G lens, in Aperture Priority mode, set to f/1.8, ISO100, and then point the camera at blue sky outside, the metering selects a shutter speed of between 1/3200 and 1/4000. When the shot is then taken, the image is completely black. Setting exposure compensation to about +1.5 to +2.0 results in a more reasonable 1/1000 which exposes correctly.

The effect improves at higher f-stops, and also occurs on the kit lens (18-55) in some instances.

Auto modes seem to be exposing correctly, and this seems to only affect aperture priority mode, and is worse at larger aperture values.

I have already had the camera returned to Nikon repair centre (in the UK), and they have re-calibrated and sent it back, but the issue remains.

Can anyone else test this for me and tell me what you get?

I am running out of ideas!

Thanks,
Tristan

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