As a serious photographer, I do as much as I can to make my daily shots excellent, using cameras with low-noise sensors and fast lenses — then trying to keep them as steady as possible in low light.

Photographers typically recognise three types of image noise: fixed pattern noise, random noise and banding noise. Fixed pattern noise is associated with long exposures and high temperatures. It ...

When you take a picture, you’re juggling three camera settings: the lens aperture, the shutter speed and the ISO setting. You may also need to adjust white balance (which controls colour rendition).