Angle of View
- 24.4° – 6.2°
Number of Diaphragm Blades
Minimum Focusing Distance
Maximum Magnification Ratio
Dimensions (Diameter × Length)
- φ86.4mm × 182.3mm / φ3.4in. × 7.2in.
- *The length of a lens is measured from the filter surface to its mount.
Corresponding AF Mounts / Barcode No.
- SIGMA SA-Mount
- Nikon F Mount
- Canon EF Mount
Nikon electromagnetic diaphragm mechanism
The Nikon mount version of this lens includes an electromagnetic diaphragm mech…
High-precision, rugged brass bayonet mount
The brass mount combines high precision with rugged construction. Its treated s…
Mount with dust- and splash-proof construction
The lens mount incorporates rubber sealing to protect the mount from dust and w…
Zoom lock switch (Wide end)
The zoom lock switch fixes the zoom ring at the widest end, preventing it from …
Dual Action Zoom
“Dual action zoom” supports both straight zoom and ring zoom.
HSM (Hyper Sonic Motor)
The Hyper Sonic Motor (HSM) is an original SIGMA development that uses ultrason…
The polygonal shape of a conventional iris dia phragm causes out-of-focus light…
Exclusive low-dispersion glass
The degree to which light is refracted by glass depends on the light’s waveleng…