Take a look at this image (shot with a Nikon D60). The shadows have been aggressively brightened to make the noise clearly visible. If you look closely, you'll see that the noise is not completely ...
I have a Canon 40D and I always shoot RAW. I am overall pleased with the 40D except for its low-light performance. Anything at or above ISO 800 is unusable for my taste. Just to solve this problem I ...
Sensor cooling is a common technology to get less noise. Why isn't it available on high-end D-SLRs ? (see http://www.andor.com/scientific_cameras/ikon-m_cooled_ccd/ for an extreme example) I'm not ...
Sensor noise is a random variation in pixel values, but what kind of random is it? Does it follow a normal distribution, one of the gamma distributions, or something funky like an F distribution? ...