Archived posting to the Leica Users Group, 2002/09/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]You are right.. Years ago I owned a 35mm/2.8 Schneider LTM lens and the infinity lock was just right to hold when changing lenses, as well as to focus with just your fingertips. And that was a great lens. Alex > From a purely mechanical standpoint, it would be good feature when you > go to mount or remove the lens. The collapsible lenses do not have much > to grab a hold of and using the focusing helical (or lens tube and > locking mech) to apply force when changing lenses cannot be considered > good practice. The same would go in spades for the screw mount lenses. > > John Collier > > On Friday, September 13, 2002, at 02:00 PM, Rei Shinozuka wrote: > > > i am wondering what is the purpose of the infinity lock on the 50mm > > summicron collapsible? never having used an optic of this era, was > > the infinity lock common to other lenses, or is it an artifact of the > > collapsibility of this little gem? - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html