Archived posting to the Leica Users Group, 1997/02/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>When focusing a rangefinder camera, you >should start either at infinity or the closest setting, and move the ring in >one motion until the two images coincide--do not rack it back and forth, as >you might with an SLR, to improve the focus. The reason this works, I >understand, is due to the nature of the mechanical linkage between lens and >rangefinder--racking it back and fortyh produces inaccuracies. This is an old machinists trick. As the bed screw of a mill or lathe wears it develops slop. When moving the bed to make a cut you back up so that the screw is engaged fully when your tool touches the work. Same with the rangefinder. Regards, Ben W. Holmes Boulder, CO USA bholmes@frii.com