I usually shoot around 20-30 shoots to get focus right. This is with scenes shoot with my nikkor 12-24. When I try to include a flower or rock into scene and get the background to stay in focus also. I shoot so many different focus length to pick up the one the best average focus. It is almost impossible to see the focus if it is clear in the viewfinder, using DOF preview helps a bit. Hmm the viewfinder is just to small to see focus... I remember as teen in the 80s, I did all the focus from the viewfinder. Maybe it was just bigger viewfinders those days. I am almost thinking off looking for new camera, I choose the Nikon over the Canon when took up photography again just for bigger viewfinder. Sure autofocus is great, but when you need to adjust it manually the viewfinder in the D80 is just to small... I seen that there are some enlargers but that is just like 10% bigger I wonder if that will make the diffrence.. How do you solve your critical focusing?