An artefact which results from aliasing, causing the edges of details to take on a saw-tooth appearance. This can be minimised with anti-aliasing filters, which are incorporated into digital cameras as standard.
On sale: 14th Feb
We introduce the new and improved look of What Digital Camera with 102 camera reviews, while in a high-resolution battle, the Sony A7R and Nikon D800E go head to head, plus we've put together an essential guide to Wi-fi.
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.