ok... ive read in one of my mags a guide on how to keep your landscapes pin sharp all the way through.... and for the love of god can I find it again?... "yeah right" well, i remember something about manual focusing one third up, and using some DOF chart or something to set your distance to something else of something else... and yeah, im confused... and cant find the mag, and im going crazy! arrhrhhh! can someone please explain it to me if you know what im baffling on about. thanking you!