Archived posting to the Leica Users Group, 2002/09/13
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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