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DPChallenge Forums >> Tips, Tricks, and Q&A >> Advice Needed
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10/11/2002 12:56:23 AM · #1
Well I am not only new around here, but this week is the first time I have ever experimented with the manual settings on my camera. I am trying to take a picture in a darkened room where the only light is a white light I am using to cast some eerie shadows... I think I have the exposure of the light the way I want, but the pic has grainy white specs on it... any idea how to take a clearer shot? can anyone suggest an iso, apature setting, and shutter speed for this condition? also, is it better to take the pic in tiff mode instead of jpeg mode? thanks!
~Jeff
10/11/2002 01:14:01 AM · #2
If you don't need a lot of depth of field, set the ISO as low as you can, the aperture as open (low number) as you can, and then the fastest shutter speed you can get away with (tripod will help).

The specks are (probably) caused by a high ISO setting (like grainy film) or pixels being over-exposed due to long shutter time. You may not be able to avoid the problem, depending on the lighting conditions.

Saving in TIFF will eliminate the possibility of JPEG artifacts, but you'll have to empty the card more frequently.

If the specks are in the shadow areas, I'd try providing a little diffuse ambient light, like from across the room. This will "overexpose" your shadows a little; you can then darken them in post-processing.
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