The SR of this K-7 user is not working, but even worse, it causes blur! See the comparison photos he posts:-http://www.pentaxforums.com/forums/pentax-dslr-discussion/73376-k-7-shake-reduction-problems.htmlThere was also another very similar report by another K-7 user previously. He then sent back both his K-7 body for replacement and also his Sigma lens for "updating", then he finally reported
