Sigma 17-70mm f/2.8-4 DC MACRO OS HSM for Sony and Pentax Mounts

Sigma 17-70mm F2.8- 4 DC MACRO OS HSM

Sigma has announced the availability of the 17-70mm f/2.8-4 DC Macro OS HSM lens for Sony and Pentax DSLRs.  The lens was previously announced for Canon, Nikon and Sigma mounts.

Sigma 17-70mm F2.8-4 DC Macro OS HSM Lens Specifications
Lens Construction17 Elements in 13 Groups
Angle of View72.4 - 20.2 degrees
Number of Diaphragm Blades7 Blades (Rounded diaphragm)
Minimum Aperture (Wide)F22
Minimum Focusing Distance22cm/8.7in.
Maximum Magnification01:02.7
Filter SizeDiameter 72mm
DimensionsDiameter 79mm x 88.9mm / 3.1 in. x 3.5 in.
Weight535g / 18.9oz.
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