USM stands for Ultrasonic Autofocus Motor. These lenses offer manual focus override and fast, smooth and comparatively quiet ...
How-To Geek on MSN
Apple's Newest iPhone App Is More Useful Than You Think
A lot has changed with Apple's iOS 26 system update for your iPhone, from a brand-new interface to the introduction of two ...
6don MSN
What Does 'HDMI' Actually Mean?
Of course it's an acronym, but there are also multiple types of HDMI cables and connectors, each designed to enhance the viewing experience in a specific way.
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