Description
Lens Construction
21 elements in 15 groups
Angle of View
- 24.4° – 6.2°
Number of Diaphragm Blades
9 (Rounded diaphragm)
Minimum Aperture
F22
Minimum Focusing Distance
160cm / 63in.
Maximum Magnification Ratio
1:3.8
Filter size
φ67mm
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.
Weight
- 1,160g
Edition Number
C017
About Edition Number
Supplied Accessories
Hood (LH770-04)
Corresponding AF Mounts / Barcode No.
- SIGMA SA-Mount
00-85126-72956-1 - Nikon F Mount
00-85126-72955-4 - Canon EF Mount
00-85126-72954-7
Technologies
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Nikon electromagnetic diaphragm mechanism
The Nikon mount version of this lens includes an electromagnetic diaphragm mech…
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High-precision, rugged brass bayonet mount
The brass mount combines high precision with rugged construction. Its treated s…
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Mount with dust- and splash-proof construction
The lens mount incorporates rubber sealing to protect the mount from dust and w…
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Zoom lock switch (Wide end)
The zoom lock switch fixes the zoom ring at the widest end, preventing it from …
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Dual Action Zoom
“Dual action zoom” supports both straight zoom and ring zoom.
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HSM (Hyper Sonic Motor)
The Hyper Sonic Motor (HSM) is an original SIGMA development that uses ultrason…
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Rounded diaphragm
The polygonal shape of a conventional iris dia phragm causes out-of-focus light…
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Exclusive low-dispersion glass
The degree to which light is refracted by glass depends on the light’s waveleng…