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On the kit lens, you fi nd three key features:
Focus ring. Rotating the focus ring allows you to focus the lens manually. The
▶
location of the focus ring varies by lens. With old AF (non-AF-S) lenses, and even
older manual-focus lenses, you turn the ring to focus the lens. Newer AF-S
lenses, such as the kit lens, have a switch labeled A and M. Select M before
attempting to manually focus. If you don't switch it over fi rst, you can damage
the lens. Some higher-end AF-S lenses have a switch labeled A/M and M. With
these lenses set to the A/M position, you can manually override the autofocus at
any time without damaging the lens.
CROSS REF
For more information on lenses and compatibility, see Chapter 4.
Zoom ring. Rotating the zoom ring allows you to change the focal length of the
▶
lens. Prime lenses do not have a zoom ring.
Focal length indicators. These numbers indicate which focal length in millime-
▶
ters your lens is zoomed to.
Back of the camera
The back of the camera is where you fi nd the buttons that mainly control playback and
menu options, although a few buttons control some of the shooting functions. Most
of the buttons have more than one function — a lot of them are used in conjunction
with the Main Command dial or the multi-selector. On the back of the camera, you
also fi nd several key features, including the all-important LCD screen and viewfi nder.
Release Mode dial lock release. Press the Release Mode dial lock release and
▶
rotate the Release Mode dial to change the settings.
Release Mode dial. Although technically the Release Mode dial is located on the
▶
top of the camera, on recent Nikon cameras the Release modes are easier to
view from the rear of the camera. The Release mode controls how the shutter is
released when you press the shutter-release button. There are seven modes:
•
Single frame ( ). This mode allows you to take a single photograph with
each press of the shutter-release button. The camera does not fi re multiple
frames when the button is held down.
•
Continuous low-speed shooting ( ). When using this mode, pressing
and holding the shutter-release button allows the camera to shoot multiple
Chapter 1
Exploring the Nikon D7100
1
5
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