Archived posting to the Leica Users Group, 2009/03/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Ruff test: Lock it down on a tripod. Pick the center focus spot. Focus on 18" on a yard stick at 45? This should indicate whether the lens is back focusing, front focusing or dead on. Once you know that - more discussion can follow. Regards, George Lottermoser george at imagist.com http://www.imagist.com http://www.imagist.com/blog http://www.linkedin.com/in/imagist On Mar 5, 2009, at 11:15 AM, Elizabeth Reid wrote: > The Barkeep bought me a wonderful new lens for Christmas this year, > the Canon EF 24-70 f/2.8. I've been playing with it in the > intervening time, although not as much as I would like to (I'm > currently somewhat busy dealing with wrapping up my thesis, and > other scholarly endeavors). However, when I do use it I seem to be > having some trouble getting my camera to focus properly (I'm using > a Canon 30D). I'm not entirely sure that it isn't in my head, but I > don't think it is. Do any of you knowledgeable folk have any advice > for me about: > > 1. How to test the focusing mechanism in a way that will make it > clear whether the fault is the camera/lens combo, or if I'm doing > something wrong, or even just imagining it. > > 2. If it is the camera/lens combo, what might I do to fix it (or > even what is causing it). > > thanks! > Elizabeth > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information