John P. Berdahl, MD, a surgeon at Vance Thompson Vision and a professor at the University of South Dakota, spoke on the lens ...

A comet discovered earlier this year, now just bright enough to be visible to the naked eye, is poised to be among the top ...

7Artisans has released a budget-friendly AF 35mm F1.8 lens with a more premium build.

Nikon has announced the Nikkor Z DX Micro 35mm F1.7, an APS-C macro lens with a roughly 53mm equiv. focal length and the ...

Lawmakers have put 17 proposals before voters this cycle, giving Texans the opportunity to weigh in on everything from tax ...

If you have ever needed reading glasses or multi-focal lenses, you might have wondered how to determine the appropriate “add” for your glasses. The term “add” in this context refers to the additional ...

A man in a red knit cap yanked as hard as he could. “That’s just—my ankle—breaking!” Cam yelped. No one suggested slicing the ...

Anthony is a Toronto-based communications specialist with degrees in history and journalism who loves to use his research and interview skills to inform and entertain. He has over a decade of ...

"Here’s the paradox: 93% of people believe reliable local news is necessary for democracy, yet many of these same people ...

Abstract: This paper presents a measurement system based on the transmission fringe deflectometry, which is designed to facilitate the rapid attainment of the free-form lens optical parameters, ...

Progressive star Alexandria Ocasio-Cortez tore into Charlie Kirk during a speech on Capitol Hill after Congress voted to honor the late conservative activist. On Friday, the House officially passed a ...