The Sigma 17-70mm F2.8-4 DC Macro OS HSM Contemporary is an APS-C standard zoom lens for Pentax K mount combining a bright aperture range, optical stabilization, and 1:2.8 macro capability. It covers a useful 26-107mm equivalent range with HSM autofocus and is designed for everyday shooting versatility. This lens is part of Sigma's Global Vision Contemporary line.
Product released: February 1, 2013
Latest firmware version
Version 1.01, released January 23, 2015
What's new in version 1.01
It has corrected the phenomenon that the degree of image blur becomes bigger, when the image stabilizing system on the camera body is used.