Sony SLT-A77 (Expanded Guides)

An authoritative guide to using this versatile camera, with hints and tips to help you get the best from its many functions

The Sony A77 is a new interchangeable lens camera that uses Translucent Mirror Technology to offer high-speed shooting: the mirror splits the optical pathway between the main image sensor and a separate phase-detection autofocus sensor, allowing a simplified design that enables the camera to be physically smaller.