\(power \ of \ a \ lens \ (D) = \frac{1}{focal \ length \ (m)}\) 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 ...

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 ...

Jeremy Agbonifo (Lens) left footed shot from the right side of the six yard box is close, but misses to the right. Assisted by Anass Zaroury with a cross. Attempt missed. M'Bala Nzola (Lens ...

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 ...

I think we have time and I prefer that that happened today than [you] know, in one year." Thierry Henry, Arsenal legend and CBS Sports talent, echoed that there is worry growing ahead of the World ...

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 ...

How do you get a Minecraft cape? If you want to know this or how to equip them on your avatar, we’ve got all the answers. You’ve heard rumors, whispers of a mythical piece of cloth that adorns ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on amateur telescopes. Engineers and astronomers at the University of Utah have ...

Following his runway debut at Paris Haute Couture Fashion Week at the end of January, Henry Samuel, 19, fronted his first magazine cover, modeling for Hunger magazine’s latest issue. Hunger ...