why not? they are the same principle as optical target acquisition in a missile weapon system. not as smart, to be sure, but there is a human in back making sure that the camera is aimed at the target.
Herb... ----- Original Message ----- From: "Jens Bladt" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Wednesday, January 12, 2005 2:19 AM Subject: RE: *istD AF performance (was Re: Sigma 2.8 Zoom lens comments) > Cameras cannot lock on to anything. Like an electronic weapon system in an > F18-Hornet. I wish it could. It can only focus on a subject/distance. Then > perhaps refocus on annother subject/distance.

