Noise
- Tue, 12 Jun 2012

Unwanted fluctuations in intensity in an image. These are caused by a number of factors, such as the random nature of light, the heat of the sensor and any sensor defects, and is more problematic at higher sensitivities.
On sale: 10th May
Want to know which camera you should choose? Whatever level you are, you'll find the answer in this issue, as we pick out 32 best-in-class cameras...
Sign up to our free newsletter to get the latest updates from What Digital Camera
Which of the new cameras announced so far this year are you most excited about?
It may take 15 minutes for the system to update.