Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. Researchers have fabricated and tested flat lenses called Fresnel ...

On the blink: you should have an eye check-up at least every two years Contact lens shopping can be an expensive enterprise, and many shy away from finding cheaper options in the fear they can be ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

We pick the best Nikon lenses for all kinds of photography on Nikon F-mount DSLRs, including budget-friendly options. Choosing the best Nikon lenses for DSLRs means answering a couple of questions – ...

The Nikon D5600 is a DX camera (that’s Nikon’s term for its APS-C crop-sensor cameras), and requires DX lenses for best functionality, although I think that some FX (full-frame) lenses also make great ...

Each of the lenses featured below has been reviewed by our expert team in real-world conditions, to assess everything from build quality to optical performance. We don’t play favorites, ...