Nikon D3100 User Manual

58
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AF-Area Mode
Choose how the focus point for autofocus is selected. Note that f (3D-tracking
(11 points)) is not available when AF-S is selected for focus mode.
1 Place the cursor in the information display.
If shooting information is not displayed in the monitor, press the P button.
Press the P button again to place the cursor in the information display.
2 Display AF-area mode options.
Highlight the current AF-area mode in the
information display and press J.
Option Description
c Single-point AF
User selects focus point using multi selector (0 60); camera focuses
on subject in selected focus point only.
Use with stationary subjects.
d Dynamic-area AF
In AF-A and AF-C focus modes, user selects focus point manually (0 60), but
camera will focus based on information from surrounding focus
points if subject briefly leaves selected point.
Use with erratically
moving subjects.
In AF-S focus mode, user selects focus point manually
(0 60); camera focuses on subject in selected focus point only.
e Auto-area AF Camera automatically detects subject and selects focus point.
f
3D-tracking
(11 points)
In AF-A and AF-C focus modes, user selects focus point using multi selector
(0 60).
If subject moves after camera has focused, camera uses 3D-
tracking to select new focus point and keep focus locked on original
subject while shutter-release button is pressed halfway.
If subject
leaves viewfinder, remove your finger from shutter-release button
and recompose photograph with subject in selected focus point.
Information display P button

Nikon D3100 Specifications

General

Megapixel	14.2 MP
Camera type	SLR Camera Body
Sensor type	CMOS
Image stabilizer	No
Image sensor size	- \
Maximum image resolution	4608 x 3072 pixels
Image sensor size (W x H)	23.1 x 15.4 mm
Still image resolution(s)	-
Digital zoom	- x
Focal length range	- mm
Interface	USB
Digital SLR	Yes
Power source type	Battery
Dimensions (WxDxH)	124 x 96 x 74.5 mm
Camera shutter speed	1/4000 - 30 s
Effective sensor resolution	14800000 pixels
Auto focusing (AF) modes	Single Auto Focus
ISO sensitivity	100, 200, 400, 800, 1600, 3200, Auto
Light exposure modes	aperture priority AE, auto, manual, shutter priority AE
Flash modes	Auto, Flash off, Red-eye reduction, Slow synchronization
Internal memory	- MB
Compatible memory cards	SD, SDHC, SDXC
Motion JPEG frame rate	30 fps
Maximum video resolution	1920 x 1080 pixels
Field of view	95 %
Display diagonal	3 \
Display resolution (numeric)	230000 pixels
Magnification	0.8 x
USB version	2.0
Scene modes	Children, Close-up (macro), Portrait
Photo effects	Black&White
White balance	Auto, Manual
Self-timer delay	10 s
Product color	Black
Fastest camera shutter speed	1/4000 s
Slowest camera shutter speed	30 s

Weight and Dimensions

Depth	96 mm
Width	124 mm
Height	74.5 mm
Weight	505 g