■Matrix metering. The standard metering mode; the D7000 attempts to intelli-
gently classify your image and choose the best exposure based on readings from a
2,016-segment color CCD sensor that interprets light reaching the viewfinder using
a database of hundreds of thousands of patterns.
■Center-weighted metering.The D7000 meters the entire scene, but gives the most
emphasis to the central area of the frame, measuring about 8mm.
■Spot metering. Exposure is calculated from a smaller 3mm central spot, about 2
percent of the image area.
You’ll find a detailed description of each of these modes in Chapter 4.
Choosing a Focus Mode
David Busch’s Nikon D7000 Guide to Digital SLR Photography32
Figure 2.2
Metering
modes are
selected using
the metering
mode button
and main dial
(right). The
individual
icons for the
modes are
shown at left.
Metering
mode button
Matrix
metering
Center-
weighted
metering
Spot
metering
Metering mode
indicator
Main command
dial
This section shows how to select whenthe D7000 calculates focus, either all the time
(continuously), only once when you press a control like the shutter release button (single
autofocus), or manually when you rotate a focus ring on the lens.
You can easily switch between automatic and manual focus by moving the AF/MF or
M-AF/MF switch on the lens mounted on your camera. There is also an AF/MF lever
on the camera body. (See Figure 2.3.) When using autofocus, you have additional
choices. You can select the autofocus mode (whenthe D7000 measures and locks in