It is designed to work directly with classic Sigma film/digital SLRs (like the SA-300, SD14, SD15, etc.) or can be easily used on modern mirrorless systems (Sony E, Leica/Panasonic L) using a Sigma MC-11 or MC-21 electronic adapter.
Sigma UC Zoom 28-70mm 1:3.5-4.5 Zoom SLR Camera Lens + Carry Case Retro
Sigma UC Zoom 28-70mm f/2.8-4 K-Mount Zoom Lens 55mm Filter Thread
Sigma UC Zoom 28-70mm F/2.8-4 Sony A mount Used Untested Good Condition Scuffs
Sigma UC Zoom 70-210mm f/4-5.6 AF Lens for Canon EF Mount
Sigma UC Zoom 70-210mm 1:4-5.6 For Minolta With Caps
Sigma UC Zoom 70-210mm F 4-5.6 52mm Minolta
