Evidence suggests ancient civilizations, including the Greeks, may have had early optical knowledge and devices like ...

There are a couple of schools of thought when it comes to the perfect portrait lens. An 85mm gives a flattering perspective and enables close-up upper body shots from a discrete shooting distance, ...

What if you could find binoculars big enough to qualify as small telescopes? Get ready for the BT–127XL–SD apochromatic ...

Here’s how it works. The best iPhone lenses can quickly boost the quality of your smartphone photos and videos. Both the new iPhone 16 Pro models feature 5x telephoto lenses, while older iPhone ...

I've also been seeing a growing number of ‘macro’ tilt-shift lenses that 0.5x or even full 1.0x magnification at their closest focus setting. These lenses therefore work very well for extreme close-up ...

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 ...

Want to preserve the planetary parade or capture the Lynx constellation? The best lenses for astrophotography can help you take beautiful, breathtaking images of the night sky. If you're stepping ...

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 ...

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 ...

The IAEA invites Member States to participate in the next ConvEx-3, the IAEA’s highest level and most complex emergency exercise. Hosted by Romania on 14 and 15 May 2025, this major exercise will ...

An OpenCV/Qt based realtime application for Eulerian Video Magnification / Motion Magnification. Works with multiple videos and cameras at the same time and let's you export the magnified videos.

When you wear contact lenses, they should float on the surface of your eye. They can slide slightly with every blink but generally stay in sync with your eyeball. Clear vision and comfortable ...