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

Olivia Munn has some questions, and feelings, about Blue Origin’s next crewed flight mission, with famous names including Katy Perry and Gayle King set to be on board. Munn served as Jenna Bush ...

Alcon introduced the Clareon PanOptix Pro trifocal IOL, which will be commercially available in the U.S. in May, for patients ...

Wear the yellow DayGo'z lenses during the day whenever you are indoors under artificial light or in front of digital screens to protect your eyes from harmful blue light that may lead to eye ...

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