Philippe Amard wrote: >>> with modern AF the problem is solved, the focus is calculated from the sensor ... <<< For my purposes AF won't solve the problem until it's quick and accurate everywhere in the picture area, not just at a limited number of points. For most DLSR cameras, AF isn't calculated from the sensor. It's a subsystem that has to be aligned as accurately as viewscreen/sensor alignment for accurate focus. Doug Herr Birdman of Sacramento http://www.wildlightphoto.com -------------------------------------------------------------------- mail2web.com ? Enhanced email for the mobile individual based on Microsoft® Exchange - http://link.mail2web.com/Personal/EnhancedEmail ------ Unsubscribe or change to/from Digest Mode at: http://www.lrflex.furnfeather.net/ Archives are at: //www.freelists.org/archives/leicareflex/