How to update a camera's firmware

Firmware is the operation system for a camera, and it controls its sensor, LCD screen, lens, buffer, and autofocus. Updating to the latest version of firmware can fix bugs and add fun new features to a digital camera.

Buying a camera: Optical versus electronic viewfinders

Before investing in a new camera, its important to know what type of viewfinder it has and if that is the best option for you.

Pentax's new DSLR is packed with creative features

New Pentax K-r DSLR is optimized for low-light photography and filled with creative in-camera editing effects.