While cell-phone cameras are growing in popularity, their electromechanical autofocus lens systems can be costly and complicated. Yet a liquid lens from Varioptic promises to lower these costs and ...

If you want to keep your favorite glasses frames, but have a new prescription, these are the best online retailers for buying ...

Modern zoom lenses work wonderfully, but crack one open and you'll be greeted by a truly terrifying degree of micro-mechanical complexity, with 20 or more polished glass elements set to move in ...

Many online retailers and some optometrists offer online glasses lens replacement. This is an alternative to visiting an optometrist when a person loses or damages a lens or wants to keep their ...

Make lens-fogging a thing of the past with one of the best lens heaters. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. If you're shooting at ...

What do you do when you find a box full of junk parts at a swap meet? Create a lens which gives you amazing images of course! That’s what wild video producer Mathieu Stern did just recently, and the ...

The lens is a well-understood optical component used for focusing light, but is almost exclusively made in the solid-state form and, thus, suffers from optical damage at high powers. Attempts to ...