I have had no problems with the 200 until today. Sharp, AF focusing has been quick and smooth...until today. I have not used the lens for well over a month while going through a cycle with the 645D. This morning I took the lens out and found the AF hanging up...would focus to about 10 ft and then hang up...checked all the camera settings...went out again...same problem...AF would hang up. Manual focus is OK. I don't know if the AF-S switch is faulty on the camera or the AF switch on the lens is the problem...any suggestions?
Roy Benson
Roy Benson