|Lens Construction||17 elements in 12 groups|
|Angle of view (DC)||76.5° - 44.2°|
|Minimum focusing distance||28cm/11.0in.|
|Dimensions (Diameter x Length)||φ78mm × 121mm /
φ3.1in. × 4.8in.
|Number of diaphragm blades||9 (Rounded diaphragm)|
|Maximum magnification ratio||1：4.3|
|Weight||810g / 28.6oz.|
The three-digit code on the surface of the lens is to indicate the year the lens was first released.
(Since it is different from the year of manufacture, the release year and edition number may not match depending on the mount.)
|SIGMA SA mount||00-85126-21056-4|
|NIKON F mount||00-85126-21055-7|
|CANON EF mount||00-85126-21054-0|
* Vignetting will occur if the lens is used with digital cameras with image sensor larger than APS-C size or 35mm SLR, and APS Film SLR cameras.
* The angle of view varies depending on which camera the lens is mounted on.
* AF will not function with Pentax ist* series and K100D DSLR cameras that do not support HSM.