Archived posting to the Leica Users Group, 1996/02/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>>I never did quite understand the infinity lock. Whenever I played with a lens >>so equipped, it always got in the way. Happily, none of my Leitz lenses have >>the lock. > >The idea originated on screw-mount lenses, where one has to turn and >turn to mount and dismount the lens. Often, most of the grabbing >surface is the focussing ring. With the infinity lock, one doesn't >end up racking the focus all the way one way or another when changing >lenses. > >This is less of a factor for bayonet-mount lenses, and is probably >largely a hold-over, and so is mostly seen on earlier lenses. Although I still find it usefull for the 35mm and collapsible 50mm... Best wishes, Joao > -- Richard (collector and occasional user of Canon screw-mount > rangefinders) > >-- >====================================================================== >Richard Schooler Hewlett-Packard >schooler@apollo.hp.com 300 Apollo Drive >(508) 436-5452 fax:5135 Chelmsford, MA 01824 > > >