A K10D user has carried out a scientific test on the AF driving speed (variation) of his DA* 50-135 SDM lens and measurement was made for when the K10D was driving the lens by the body against by the SDM in-lens:-http://forums.dpreview.com/forums/readflat.asp?forum=1036&thread=25309045Well, the user has briefed the test procedures clearly and I do regard the test and the measurement made are to
