Digital Photography Review on MSN

Cracking the Canon code: what letters like VCM, RF-S and DO tell you about your lens

USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...
Digital Camera World

These Sony Alpha flagship cameras get massive firmware updates: support for Real-time Recognition AF+, Write Digital Signature, and more

Sony has just rolled out a firmware update for its flagship Alpha cameras, the A1 II and A9 III. Over the past years, Sony ...