Chapter 5 ■Mastering Autofocus Options 137
Figure 5.4 A horizontal focus censor doesn’t handle
horizontal lines very well.
Figure 5.5 Cross-type sensors can evaluate contrast in
both horizontal and vertical directions, as well as
diagonally.
Figure 5.6
The D7000’s
cross-type sen-
sors are located
in the middle
of the frame.