nedcam Well-known member Apr 4, 2017 #1 My tokina 11-16, when I set the stop and take my fingers off the lever to do something else, the lens slowly drifts to total darkness over about 10-12 seconds. Has anyone else had this problem?
My tokina 11-16, when I set the stop and take my fingers off the lever to do something else, the lens slowly drifts to total darkness over about 10-12 seconds. Has anyone else had this problem?
indiawilds Veteran Apr 4, 2017 #2 Looks like the aperture blades unit need replacement. It may have taken some knocks.
