Headlights are a critical safety feature for every driver, especially at night or in poor weather. Knowing whether your car ...

Want to make the most of your Fujifilm camera? We've rounded up the best Fujifilm lenses, now with expected savings on Amazon ...

Researchers in Italy are tackling two metal halide perovskite solar PV challenges, reduce the use of lead and extend ...

If you have ever played around with lenses, you’ll know that a convex lens can focus an image onto a target. It can be as simple as focusing the sun with a magnifying glass to burn a hole in … ...

The team developed both convex acoustic lenses for focused transducers and flat-form acoustic lens designs.

This paper presents a comprehensive study on the design and fabrication of a convex acoustic lens for capacitive micromachined ultrasonic transducers (CMUTs) using polydimethylsiloxane (PDMS). The ...

What is a mirror lens exactly? And have they got a new lease of life when used on mirrorless cameras? I've been trying them ...

Or the lens can curve outward – called convex – to fix far-sightedness. You can tell what kind of lenses you have by looking closely at them.

Most lenses have a consistent curve that helps bring light to a focus. A concave lens curves inward and helps with nearsightedness, while a convex lens curves outward and helps with farsightedness.

Periscope camera lenses have grown in popularity, especially in the premium smartphone segment. But what is a periscope zoom lens? We explain.

This is a special kind of material, made up of rows of tiny cylindrical convex lenses arranged into a cylindrical convex lens, each cylindrical convex lens will compress the object behind the ...