If you’re buying a new-build home or are planning to make energy-efficient improvements to your property, a ‘green’ mortgage might be worth considering. The green mortgage market has grown ...

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

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 ...

The Clear: Green is a more all-around lens that works in a variety of boating situations, but it is ideally suited for the coastal boater running in “greener” inshore waters. It has an amber base to ...

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 ...

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 ...

Canon has announced the RF 20mm F1.4 L VCM ultra-wide prime as part of its L-series "hybrid" prime lenses designed for both stills and video work. Recent Videos The 20mm F1.4 shares many ...

North American scholastic esports platform PlayVS announced this week that it has signed a partnership deal with eyewear company Zenni Optical. Financial terms of the deal were not disclosed. Under ...

The best lenses for travel photography will enable you to take amazing photos without weighing you down. Travel photography lenses are often versatile zooms that allow you to pack just one lens, such ...

black frames with gray lenses, transparent brown frames with green lenses, leopard frames with tea-colored lenses and green frames with gray lenses. Take advantage of everything the Amazon Big ...

Our lens reviews offer detailed information on sharpness, distortion, bokeh, and all the other important factors that go into making a lens great. Our reviews give you all the information you need ...

To see if $50 could bridge this gap, I recently bought an anamorphic lens for my smartphone, and took it for a spin in both London and Australia. I've used anamorphic lenses on actual video ...