Sigma SD14 Problem

Started Sep 9, 2010 | Discussions thread
dr.noise
Veteran MemberPosts: 3,466Gear list
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Re: It is not underexposure?
In reply to yvind Strm, Sep 13, 2010

yvind Strm wrote:

In my experience, you can have those blotches in any underexposed area, including underexposed skies/sky, even at low ISOs.

How can you underexpose the source of light?

Well you can, but it is not like with the shadows, because it is light. Neutral grey means that it is exposed properly. Seeing that kind of noise in the sky is far from usual even if you underexpose. My SD14 doesn't do that.

I think it is due to underexposure.

These photos are underexposed, that is a given, but I doubt only underexposing may cause that effect.

Here is my shot, it is underexposed too, but there is no trace of blotches
(warning, original size image)

http://zdg.ru/tmp/201009/SDIM2617.jpg

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