Bruce Dayton wrote: > Maybe the switch is to allow screwdriver AF to work. Set the switch > to MF and the Ultrasonsic focus or manual works. Set it to AF and the > screwdriver AF works. >
No, that switch is pretty much standard on all USM type lenses. MF is pure MF, AF is AF with manual override. Nikon's started calling the AF Setting M/AF to denote the override. -Adam -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
