Engadget's experienced editorial team has tested and reviewed hundreds of digital cameras and photography gear over the past 20 years to help you find the best options available.

I spoke with two ophthalmologists, Drs. Lisa Park and Natasha Herz, who explained that polarized lenses prevent glare from entering the eye horizontally. Plus, they can help make your eyes feel ...

\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) A lens has a power of -3.33 dioptres. Calculate the focal length and state what type of lens it is.

Apple filed a patent that extends Fall Detection to future versions of Vision Pro headsets, smartglasses and even smart contact lenses. Implementing the feature in these types of wearables ...

Sony stole a lead on other manufacturers in the full-frame mirrorless market, and it’s had more time to build up a wide array of companion lenses to suit every need and budget. I've always been a big ...

It's still evolving, but these are the best L-mount lenses we've tested so far. A growing library of quality lenses backs Nikon's mirrorless Z camera system. We're here to break down what's ...

Fujifilm was one of the first camera makers to embrace mirrorless systems and has one of the most well-established lens libraries. These are the best we've tested. Images, and the devices that ...

Learn more› By Erin Roberts We will soon update this guide to focus entirely on Canon RF-mount mirrorless lenses, following the structure of our Nikon Z-mount lens guide. Keep an eye out for new ...

If you’re new to contact lenses, you may have questions about how to wear and care for them. It may not be as simple as slipping on a pair of eyeglasses. And it may take longer to get used to them.

Eye health company Bausch & Lomb is recalling some of its intraocular lenses over possible safety concerns. The voluntary recall comes after the company “received reports of complications ...

Your morning routine probably includes washing your face, brushing your teeth—and, for over 197 million Americans, wearing corrective lenses to see the day ahead, says the Vision Council. But some of ...

Since an 8K image is around 35 megapixels, both wide and ultra-wide lenses would have enough resolution to shoot 8K video. Of course, the new A18 Pro chip seems to be ready for 8K as well.