The original DG HSM version features a high-quality brass mount but lacks full weather-sealing gaskets. The newer DG DN (Mirrorless) version offers improved dust and splash resistance.
Yes, if you select the Sony E-mount version. If using the Canon EF version, it requires a Sigma MC-11 or Metabones adapter for full functionality.
Yes, the HSM motor provides quiet focusing, and the f/1.4 aperture allows for excellent subject separation and low-light performance in cinematic productions.