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Nikon D3100 User Manual

Nikon D3100
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55
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More on Photography (All Modes)
This section describes the focus options available when photographs are framed in
the viewfinder.
Focus can be adjusted automatically or manually (see “Focus Mode,
below).
The user can also select the focus point for automatic or manual focus (0 62)
or use focus lock to focus to recompose photographs after focusing (0 60).
Focus Mode
Choose from the following focus modes.
Note that AF-S and AF-C are available only in
modes P, S, A, and M.
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 focus-mode options.
Highlight the current focus mode in the
information display and press J.
Focus
Option Description
AF-A
Auto-servo
AF
Camera automatically selects single-servo autofocus if subject is
stationary, continuous-servo autofocus if subject is moving.
Shutter can
only be released if camera is able to focus.
AF-S
Single-servo
AF
For stationary subjects. Focus locks when shutter-release button is
pressed halfway.
Shutter can only be released if camera is able to focus.
AF-C
Continuous-
servo AF
For moving subjects. Camera focuses continuously while shutter-
release button is pressed halfway.
Shutter can only be released if
camera is able to focus.
MF Manual focus Focus manually (0 62).
Information display P button

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Nikon D3100 Specifications

General IconGeneral
Megapixel14.2 MP
Camera typeSLR Camera Body
Sensor typeCMOS
Image stabilizerNo
Image sensor size- \
Maximum image resolution4608 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
InterfaceUSB
Digital SLRYes
Power source typeBattery
Dimensions (WxDxH)124 x 96 x 74.5 mm
Camera shutter speed1/4000 - 30 s
Effective sensor resolution14800000 pixels
Auto focusing (AF) modesSingle Auto Focus
ISO sensitivity100, 200, 400, 800, 1600, 3200, Auto
Light exposure modesaperture priority AE, auto, manual, shutter priority AE
Flash modesAuto, Flash off, Red-eye reduction, Slow synchronization
Internal memory- MB
Compatible memory cardsSD, SDHC, SDXC
Motion JPEG frame rate30 fps
Maximum video resolution1920 x 1080 pixels
Field of view95 %
Display diagonal3 \
Display resolution (numeric)230000 pixels
Magnification0.8 x
USB version2.0
Scene modesChildren, Close-up (macro), Portrait
Photo effectsBlack&White
White balanceAuto, Manual
Self-timer delay10 s
Product colorBlack
Fastest camera shutter speed1/4000 s
Slowest camera shutter speed30 s
Weight and Dimensions IconWeight and Dimensions
Depth96 mm
Width124 mm
Height74.5 mm
Weight505 g

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