Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary in Pentax K mount is an APS-C zoom with 16 elements in 14 groups, 1:2.8 macro capability and 72mm filters. Despite OS in the name, Sigma states that this mount version has no OS function. AF does not work on Pentax ist* series bodies and the K100D, which lack HSM support.
Product released: February 1, 2013
Latest firmware version
Version 1.01, released January 23, 2015
Last checked for updates: Oct 31, 2026 06:13 UTC
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.
What is Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K)?
Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary in Pentax K mount is an APS-C zoom with 16 elements in 14 groups, 1:2.8 macro capability and 72mm filters. Despite OS in the name, Sigma states that this mount version has no OS function. AF does not work on Pentax ist* series bodies and the K100D, which lack HSM support. It was originally released on February 1, 2013.
What is the latest firmware version of Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K)?
The latest firmware version of Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K) is 1.01. It was released on January 23, 2015.
What changed in Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K) firmware version 1.01?
Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K) firmware version 1.01 includes the following changes: It has corrected the phenomenon that the degree of image blur becomes bigger, when the image stabilizing system on the camera body is used.
Where can I download the latest Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K) firmware?
Details and download instructions for the latest Sigma 17-70mm F2.8-4 DC MACRO OS HSM Contemporary (Pentax K) firmware (version 1.01) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c013_17_70_28_4/?mount=pentax-k