I have recently purchased an RF 100-500 lens and am very happy with its performance so far. However, the tripod ring does not seem to tighten sufficiently to prevent the lens/camera from rotating. Any advice/solution would be greatly appreciated.
Thanks for the response and the pictures. I am familiar with the spring action of knob. There does not appear to be any damage on either side and the ring seams to line up properly on the lens when attached. I have tried several times to remove and ...
