Ronkonkoma, NY - October 4, 2019 - Sigma Corporation of America, a leading camera, photography lens, cine lens, flash and accessories manufacturer, today announced that its 16mm F1.4 DC DN Contemporary ($449 USD), 30mm F1.4 DC DN Contemporary ($339 USD), and 56mm F1.4 DC DN Contemporary ($479 USD) lenses are now shipping in Canon EF-M mount. Key Features and Benefits of the Ronkonkoma, NY - October 4, 2019 - Sigma Corporation of America, a leading camera, photography lens, cine lens, flash and accessories manufacturer, today announced that its 16mm F1.4 DC DN Contemporary ($449 USD), 30mm F1.4 DC DN Contemporary ($339 USD), and 56mm F1.4 DC DN Contemporary ($479 USD) lenses are now shipping in Canon EF-M mount. Key Features and Benefits of the