Sigma AF 24-70mm 2.8 EX Aspherical DF Specifications
Diagonal Angle of View:
84.1° - 34.3°
F22 - F32
Number of Aperture Blades:
features Dual Focus (AF w. rotating or non-rotating focus ring, MF using focus ring, focus lock (no AF nor MF))
LH 875-02 (bayonet mounted, flower shaped)
Neither the lens itself nor the packaging did wear a DG labeling at any time. Still this lens was re-categorized as a DG lens by Sigma only a few weeks after release and is therefor refered to as Sigma AF 24-70mm 2.8 EX DG Aspherical DF by most people.