I tend to like 2 touch zooms over 1 touch because sometimes in zooming a 1 touch you may accidentally alter the focus when you don't want to. I like to focus at the longest end of the zoom range and then adjust the zoom setting for the composition last.
-- J.C. O'Connell (mailto:[email protected]) Join the CD PLAYER & DISC Discussions : http://tech.groups.yahoo.com/group/cdplayers/ http://launch.groups.yahoo.com/group/cdsound/ -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Bob W Sent: Saturday, July 17, 2010 4:17 PM To: 'Pentax-Discuss Mail List' Subject: RE: 2 touch? > What is meant when a lens is described as "2 touch," e.g., 35-70 F4 > SMC A (58) 2 TOUCH ZOOM. > it means the zoom ring and the focus ring are separate. Some lenses, such as the 70-210/4, use the same ring for both - to zoom you push/pull like a trombone, to focus you twist -- 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. -- 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.
