With every lesson in Nikon Know-how, you get some homework to do – this will help you put everything that you’ve learned into practice! To check you now have complete control over focus, find two subjects (two people, say, or even two cans from your kitchen cupboard) and place them at different distances from you.
Set up a shot that frames both subjects tightly. Use Aperture Priority (A) mode, and set a wide aperture of, say, f/4 or f/5.6. Use Manual AF point selection (see page 81) to take two shots, first with the nearer subject in focus, then with the further subject in focus.
Repeat the exercise, but this time take the pictures using manual focus. Check all four images on your computer, so you can zoom in to…