Here’s how it works. Since we began testing cameras more than two decades ago, TechRadar has reviewed every Canon camera worth writing about, covering everything from premium compacts to the ...

While it's an impressive lens, the price may be steep unless you truly need the extra reach. Image quality at 800mm end could be stronger Why you can trust Digital Camera World Our expert reviewers ...

The lens in the patent doesn't exist yet, but Canon also has the RF 28mm f/2.8, a compact pancake lens. | Credit: Canon Compact lenses can help create a mirrorless camera system that’s nearly ...

Compact lenses can help create a mirrorless camera system that’s nearly pocketable – and a recently published patent suggests Canon is toying with the idea of crafting some compact f/8 optics. A ...

At Mobile World Congress 2025, Xiaomi showcased a Modular Optical System (MOS) that magnetically attaches a lens to a custom Xiaomi 15. It's like a Moto Mod, but with a full-fledged, working ...

Meet the Realme interchangeable lens concept - a Realme smartphone that can mount Leica M lenses on its back! Before we go mounting lenses on, let's look at the underlying phone. This is a Realme ...

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

The annual mobile trade show in Barcelona kicks off today, but just ahead of the event Xiaomi has shown off a prototype camera lens. I am, apparently, one of only two media members to get hands on ...

Realme has revealed its Interchangeable Lens Concept phone at MWC 2025. This phone has a one-inch camera sensor that can be paired with your existing Leica camera lenses. Realme’s phone also ...

fared-in rear wheels and cameras for door mirrors years before Audi upset the world with its e-Tron lenses. It worked a treat – the XL1 weighs a lithe 795kg without a driver onboard and the drag ...

Unfortunately, you can’t use your favorite Sony, Sigma, Nikon, or Canon lenses on this phone, at least not yet. This is a concept phone, and that could change. If realme is able to make the ...

Albert Einstein, in 1905, presented the revolutionary idea of light quanta of energy which equals ħw, where ħ is reduced Planck's constant. There is plenty of experimental evidence on magnetic ...