Adam Maas wrote: > Not always. SDM lenses hunt a lot less because they won't overshoot > the mark, they are in effect stepper motors, and are told how far to > turn the lens, screwdriver AF tends to overshoot more.
Are the in-body motors on the screw-drive cameras not stepper motors? If not, is it because steppers would be significantly more expensive? If that's not it, I can't imagine why you'd do anything else. -- Thanks, DougF (KG4LMZ) -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

