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 Construction | 17 Elements in 13 Groups |
| Angle of View | 72.4 - 20.2 degrees |
| Number of Diaphragm Blades | 7 Blades (Rounded diaphragm) |
| Minimum Aperture (Wide) | F22 |
| Minimum Focusing Distance | 22cm/8.7in. |
| Maximum Magnification | 01:02.7 |
| Filter Size | Diameter 72mm |
| Dimensions | Diameter 79mm x 88.9mm / 3.1 in. x 3.5 in. |
| Weight | 535g / 18.9oz. |
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