PENTAX K-3 + SIGMA 17-70mm F2.8-4.0 DC MACRO HSM – Part 9 (Low-light) Posted on 16 April 2014 | 00:0017 April 2014 | 03:07 | No Comments [pe2-gallery class=”alignright” ] [/pe2-gallery] Here is the First, Second, Third, Fourth, Fifth, Sixth and 7-8th part of PENTAX K-3 + SIGMA 17-70mm F2.8-4.0 DC MACRO HSM Samples. Source Posted in News.