Sigma Introduces Second Generation 24-70mm F2.8 DG DN Lens On May 16, Sigma introduced the 24-70mm F2.8 DG DN II lens, which belongs to Sigma’s Art lens series, and is about 7% smaller and 10% lighter than its predecessor, with a built-in high-speed linear motor and improved focusing speed, and a close-up magnification of 1:2.7.… Continue reading Sigma Introduces Second Generation Lens and Other News