The SIGMA 18-50mm F2.8 DC DN | Contemporary lens a best-selling standard zoom for APS-C format cameras, and it's now available for Canon RF Mount! For Canon cameras like the EOS R7, R50, R10 and R100, it's the perfect do-almost-everything lens for both photo and video. In this video, SIGMA Ambassador Graham Sheldon takes the 18-50mm to a gritty warehouse set to film some test scenes with the Canon EOS R7 mirrorless camera to demonstrate the image quality, versatility and autofocus capability of