These new Kolari clip-in lens filters for Blackmagic full-frame enable you to place a filter over the sensor signifying ...

The Realme Ultra doesn't use a magnetic camera mounting system; instead, it mounts the external lens over the phone's camera module. Also: Finally, I found an Android phone that can replace my $ ...

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

The custom Xiaomi 15 model has a magnetic ring on the back that lets you attach a custom camera module with a large sensor and a zoom lens. Since this attaches to the back of the phone, it doesn’t ...

This paper discusses the magnetic measurements of residual field in superconducting dipole and quadrupole magnets. The technique used to measure residual fields is described herein. The results of the ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...

Zeiss is returning to making lenses for stills cameras, introducing the Otus ML line with new 50mm and 85mm F1.4 lenses for E, RF, and Z mounts. The lenses are manual focus only, but are focused on ...

Sigma has announced the 300-600mm F4 DG OS Sports lens, designed specifically for applications like sports, action and wildlife photography. Recent Videos Optically, the lens is built around 28 ...

One of the biggest drawbacks to buying an iPhone 16e is that it doesn’t come with MagSafe charging. Instead it comes with plain, magnet-free Qi wireless charging complete with a meager 7.5W ...