On my old FA 100/2.8 the purpose of the clamp was to dampen the focus feel so it felt more like a manual focus lens. It was never intended to lock focus as you are thinking. I would assume the new DFA to be the same.
-- Best regards, Bruce Thursday, November 1, 2007, 1:59:37 PM, you wrote: IR> Hello! IR> I finally bought a new DFA 100/2.8 Macro lens and found that IR> the "clamp switch" does not provide rock solid clamping. IR> It does provide a bit of dumping, and switches of AF, but IR> I can still manually change the focus without much of a problem. IR> Question to the happy owners of a DFA 100/2.8 Macro: IR> Is this normal, or the clamping on your lens is rock solid? IR> Thanks, IR> Igor -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
