Technology Guides

Technology guides on photography, including how to clean your sensor, flash, Flickr and anti-shake explained

Matt explains


Learn how to tell if you've got your exposure correct in our guide to histograms

3D imaging

3D imaging explained

What with the ever-increasing number of 3D cameras and 3D lenses on the market, have you ever wondered how 3D imaging really works?

Colour space

What is colour?

What Digital Camera takes a closer look at colour: what is colour, how we see it and how we manage it within photography.


Remotes explained

How a different remote trigger can assist your photography



The sharpness of your images is affected by many factors, some beyond your control

CCD sensor

Sensors explained

Every digital camera has at its heart a solid-state device which, like film, captures the light coming in through the lens to form an image. This device, called a sensor.…