The Sigma BF has taken the photography world by storm with its sleek design and intuitive ergonomics—and now, it's officially in stock! This 24.6MP full-frame powerhouse streamlines the shooting ...

Find out how we test. Perhaps it’s an L-Mount Alliance in-joke, but the Sigma BF just out-Leicad Leica. Maybe the two companies placed a wager on whether Sigma would be first to outdo Leica’s cameras ...

LAS VEGAS, NEVADA - MARCH 01: (R-L) JJ Aldrich punches Andrea Lee in a flyweight fight during the UFC Fight Night event at UFC APEX on March 01, 2025 in Las Vegas, Nevada. (Photo by Jeff Bottari/Zuffa ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Polypyrrole/polyaniline-poly(vinyl alcohol) (PPy ...

Sigma 60-600mm F4.5-6.3 DG DN OS for Sony E Mount $1,949.00 Shop now Sigma 60-600mm F4.5-6.3 DG DN OS for L-Mount $1,999.00 Shop now ...

Some know “sigma” as the 18th letter of the Greek alphabet but it’s also teen slang for a cool dude. According to Know Your Meme, sigma is “referring to a supposed classification for men ...