The TTArtisan 35mm T2.1 is a cinema lens that allows creators to adjust the look of the bokeh from soft to bubble ...

The FDA granted 510(k) clearance for Leos, a laser endoscopy ophthalmic system for a more intuitive laser endoscopic ...

Specialty contact lenses have a favorable benefit-cost ratio for patients with irregular cornea and ocular surface diseases.

The Oakley Velo Kato are the best performing glasses I’ve come across, but they’re not for shrinking violets and you can't ...

For children with myopia, wearing spectacles with highly aspherical lenslets (HAL) reduces the rate of myopia progression and axial elongation.

What is a mirror lens exactly? And have they got a new lease of life when used on mirrorless cameras? I've been trying them ...

We spent a full year testing nearly 40 X-mount lenses to figure out which ones make the most sense for Fujifilm shooters.

A new player in lens manufacturing, SongRaw, has entered the scene with a fast and budget-friendly 50mm F1.2 lens.

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

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 ...

following the structure of our Nikon Z-mount lens guide. Keep an eye out for new picks in the near future. March 2025 Whether you’ve recently started shooting with a Canon DSLR camera or ...