Take a f2.8 telephoto lens, shoot a quick moving subject at f2.8 and f11 and see what the percentage of in focus shoots you get at both apertures. If they're both %100, find a more difficult subject. If they're both 0% find an easier subject. I already know the answer, because I've done it.
--- Rob Brigham <[EMAIL PROTECTED]> wrote: > But DOF is not an issue for focussing - the camera focusses wide open. > It doesnt stop down until you take the shot. When you talk about the > subject leaving the plane of focus before the shutter fires this is > shutter lag. Lens performance aside, the camer always gets the subject > in focus at f2.8 if it is an f2.8 lens. Try FREE Yahoo! Mail - the world's greatest free email! http://mail.yahoo.com/ - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
