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

It might seem like an odd choice, but it turns out there are very good reasons why airlines continue to rely on dot matrix ...

Former Indian cricket captain and senior Congress leader Mohammad Azharuddin is set to be sworn in as a minister in the ...

Horns are one of the oldest and most important safety tools in rail travel. They communicate instantly across long distances, ...