Sigma to reveal new lens at PDN PhotoPlus Expo 2017

Lens maker Sigma will showcase its full range of Sigma Global Vision lenses, Cine high-speed primes and zooms as well as the Foveon sensor-based sd Quattro and Quattro H cameras at the upcoming PDN PhotoPlus Expo 2017 Expo trade show in New York City later this month, but that's not all they're doing. The company has also announced it will reveal one completely new lens at the show, teasing us with this little detail without revealing anything else about the upcoming...