The new SmallRig Mini Spotlight uses a lens to shape light – and its one of the more affordable choices in a growing list of optical snoots ...

By integrating powerful 3D imaging technology with advanced computation, researchers can capture gaze direction information from tens of thousands of surface points on the eye instead of about a dozen ...

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 ...

In 2014, we introduced The Mini Crossword — followed by Spelling Bee, Letter Boxed and Tiles. In early 2022, we proudly added Wordle to our collection. Since then we have created Connections and ...

Eye growth is driven by signals in the retina and the sclera (the white outer wall of ... laser treatments and replacement lenses. Nothing can change the shape of your eyeball but laser eye ...

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 ...

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