Twelve years after the legendary Sigma 18-35mm F1.8 lens for DSLRs, Sigma delivers its mirrorless successor, the new 17-40mm ...

It seems Sigma may have answered that question with the newly announced Sigma 17-40mm f/1.8 DC Art lens. Bringing a constant ...

Many photographers, especially beginners, often wonder whether to choose a prime lens or a zoom lens. In sports photography, most shooters favor zoom lenses; a popular choice is, for example, a ...

Introduced as “the portrait master”, the new lens from Viltrox is an “affordable pro-level full frame portrait lens” with a ...

Restricting your focal length might seem counterintuitive, but it's the fastest way to train your eye, master composition and ...

Rollei has just announced its first-ever lens for mirrorless cameras or, at least, has allowed its name to be applied to one.

Leica has unveiled a compact and lightweight 28-70mm F2.8 lens for L-mount, which shares some distinct similarities with a ...

A new soft contact lens monitors eye pressure and motion during sleep, helping detect glaucoma and other health issues.

Researchers have created a proof-of-concept, lightweight, and tunable liquid lens system that is both small and ...