On Wed, Feb 12, 2014 at 1:17 PM, Igor Roshchin <[email protected]> wrote:
> So, in principle, if the SDM is disabled in the lens, the camera > may be fooled to think that the lens never had an SDM, and would use the > screw-driven AF. And, in fact, I have seen posts on PentaxForums about changing the programming of an SDM lens to use the screw-drive instead, so this is a plausible "repair." But with my lenses (a bunch of screw-drive lenses and the SDM DA* 300), it is very easy to hear the difference between the two mechanisms. The screw-drive is easily audible, while the SDM is nearly silent. -- 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.
