The mount used by Pentax for its film and digital SLR cameras. The mount has faced many revisions over the years, principally to support different autofocus and metering functionalities, but also to enhance communication between camera and lens.
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.