These days, camera lenses aren’t just simple bits of glass in sliding metal or plastic housings. They’ve often got a whole bunch of electronics built in as well. [Dan K] had just such a lens ...

A single Einstein ring is a consequence of gravitational lensing, whereby a massive galaxy (the lens) bends the light from a more distant galaxy (the object) along the same line of sight ...

Mirrorless cameras like the Canon EOS R series have been a popular choice for photographers who like to use vintage glass.

There’s one problem though: using these old lenses with an adapter means focusing at infinity is out of the question. Thankfully, he put up a few videos (part 1, part 2, and part 3) walking ...

The included carbon fiber top flag helps block veiling glare or bright reflections from striking your lens, and it can be ...

Samsung's upcoming Galaxy S25 and Galaxy S25 Plus were spotted in a certification database, which detailed charging specs.

Better yet, many of these lenses can be used with multiple iPhones and some eve with Android devices (although you’ll need an adapter). So, if you’ve just got one of the best phones ...

Black, Peter and Black, Tina Arbon 2020. Fundamentals of ophthalmic dispensing 10: Single vision lens design – part 1. Optician, Vol. 2020, Issue. 7, p. 8293-1.

The best lenses for astrophotography enable you to capture the stars at the highest quality possible. Our roundup includes models for all leading camera brands. You'll want to own one of the best ...

DJI Osmo Action 5 Pro ups the ante for rugged action cameras with features aplenty and performance in line with its best ...

The EOS R cameras use RF lenses, different from the EF lenses for its SLR system. Adapters are there to make it a little easier to swap your trusty EOS 5D Mark IV for a new EOS R5. But not ...

The Reolink Battery Doorbell's dependable 2K video quality and local video storage make it a slam dunk for existing Reolink ...