Changing the focal length of a camera by adjusting the physical zoom lens. All zoom lenses in film cameras and digital single lens reflex (DSLR) cameras are optical zoom. Digital point-and-shoot ...

Adam Z. Lein has been a tech journalist at Pocketnow since 2002. He's also been a photographer since 1995 and a web developer & graphic designer since 1997 while working on the DEC intranet. He's also ...

Some camera features are worth paying for, while others seem to exist exclusively to print big numbers on the box to sway naive buyers. When it comes to zoom — whether on a smartphone or a camera — ...

For remote and hazardous environments where simple optical design offers significant benefits - Resolve Optics has developed a radical new optically compensated zoom lens design that vastly reduces ...

Dual camera smartphone technology certainly isn’t new anymore, but we are seeing a new trend emerge whereby manufacturers are offering “optical zoom” capabilities inside their smartphones. Two notable ...

Samsung might have everyone mesmerized by its foldable Galaxy Fold phone (for now), but if you really want to see weird and wonderful phone innovations, you need to look at what Chinese tech companies ...