Originally posted by grahamcoad Still spot on, and it SEEMS to focus better and faster with my Pentax K-3, though I have not done any formal tests.
Maybe it's time. I've heard (read) other reports that there is a better replacement motor and PCB available that is being retrofitted to correct the failing SDM systems (it's about time!!). I've been wanting to upgrade my camera from my K10D working V1.2 still focusing by screw drive only, to a K5 (now maybe K5ii). I can't make the K3 make sense for me. Couldn't make any of it make sense if my DA*50-135 was going to become manual focus only.