On Dec 4, 2012, at 6:48 PM, Daniel J. Matyola wrote: > From the reviews, I understand that the lens "hunts" a lot in > autofocus mode. The "focus range" control apparently alleviates that > problem, by limiting the rage of focus. I am not clear, however, how > to use the control. Also, why does this control have an "MF" setting, > when manual focus is usually selected on the camera. Is there a > difference between selecting manual focus on the lens rather than on > the camera?
Maybe the old cameras didn't have the easy selection between AF and MF? Maybe it just disables the drive altogether from the lens side. > > Even more mysterious -- to me -- is the "clamp" dial. What does this > do, and how? When you get the focus dialed on on the subject, assuming you are using a tripod, you clamp the focus so that it doesn't change if you touch the lens. > > Any information or advice will be greatly appreciated. > > TIA, Dan > > Dan Matyola > http://www.pentaxphotogallery.com/danieljmatyola > > -- > 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. -- Larry Colen [email protected] sent from i4est -- 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.
