The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...

Check out our guide to optical vs digital zoom to find out more about that! The best iPhone lenses should be well made and should improve your smartphone photography some way, offering things your ...

The best tilt-shift lenses enable you to tilt the angle of the optical path, relative to the image sensor. They also allow you to shift the optical axis so that it’s off-centre but still parallel to ...

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 ...

Basically, they are a set of clear lenses that darken when exposed to UV rays. There’s no need to swap between two sets when going from indoors to out. They allow us to transition from one space ...

(Nanowerk News) Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. A team with researchers at the University of Tokyo and ...

According to the General Optical Council, rules in the UK state that online contact lens sellers must have optical professionals involved when it comes to selling lenses. You can check the seller ...

This doesn’t mean the energy transition is stalling. The tools to prevent further damage are already here. Renewables have emerged as the cheapest source of energy in most of the markets.

A local optical shop is changing up its business model ... it helps her customers avoid purchasing low-quality frames and lenses online. Sean Minderman, practice manager of Frame Factory South ...

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 smartphone camera revolution, and the mainstream adoption of ...