tracking and locking are the same thing in most manufacturer's literature. Herb.... ----- Original Message ----- From: "Jens Bladt" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Saturday, January 15, 2005 6:43 PM Subject: RE: *istD AF performance (was Re: Sigma 2.8 Zoom lens comments)
> About locking onto something: To me this means focusing on a subject, then > stay focused at the same subject, even if it moves. No camera that I know of > does this. Not even the Canon D1. Cameras loose focus when things move, but > may refocus at the same subject after a while. Or it may focus on something > else! That's not locking onto a subject, is it? Tracking perhaps, but > certainly not locking.
