Published: March 11, 2016 I was able to get my hands on a Sigma MC-11 Mount Converter at WPPI 2016 in Las Vegas which at the time of these tests was loaded pre-release firmware that at the time of testing only supported the Sigma 50mm F1.4 DG HSM Art and Sigma 18-35mm F1.8 DC HSM … Continue reading Hands-on Sigma MC-11 Mount Adapter Tests