Archived posting to the Leica Users Group, 1997/12/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]At 01:49 PM 17/12/97 -0500, you wrote: >Infinity is the thing that describes how positive integers there are in the >world. > >Its a few other things too, but that gets too technical. > >As far as lenses go, I'm not sure what the optical definition is... :) I think infinity refers to the distance at which light rays travelling towards the lens are, for all intents and purposes, parallel. Such rays then converge at the focal point. That's all that infinity means optically. - -GH