These are the best K-mount SLR lenses we've tested. 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 ...

What is the best way to transfer contacts from iPhone to Android? The process isn’t as convoluted as it once was. I remember when we had to input all names, numbers, and other info manually!

Monovision is the name given to the art and science of fitting contact lenses on a patient who has developed presbyopia. Presbyopia is the unavoidable change in vision that usually occurs at around 40 ...

It can cast light in four colors, depending on what your scene calls for: "sunset orange," blue, white and red. The RF 10C has a built-in battery, rechargeable by USB-C, and comes with 20 gobos that ...

these lenses also produce incredible lens flares when pointed directly at light sources, which are thick strips of either blue or gold light (depending on whether you choose the blue or gold coating).

Blue-light-blocking glasses work by reflecting those wavelengths away from the lenses to stop them from reaching your eyes. (Note that, despite emitting blue light, most consumer tech is not ...

Join me as I pick the best lenses for astrophotography fans shooting a starry night sky, to suit a range of cameras and budgets. I think that the best lenses for astrophotography are vital for getting ...

We’ve always been big fans of Sony’s top-flight G Master lenses. They’re big and beautiful, but expensive, designed to suit the best Sony cameras for professionals. These lenses aim for the ultimate ...

The original Bifocal Lenses In Nearsighted Kids (BLINK) Study showed that having children with myopia wear high-add power multifocal contact lenses slows its progression. Now, new results from the ...