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Nikon D3100 User Manual

Nikon D3100
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60
z
Focus Point Selection
In manual focus mode or when autofocus is combined with AF-area modes other
than e (Auto-area AF), you can choose from 11 focus points, making it possible to
compose photographs with the main subject almost anywhere in the frame.
1 Choose an AF-area mode other than e
(Auto-area AF;
0 58).
2 Select the focus point.
Use the multi selector to select the focus point in
the viewfinder or information display while the
exposure meters are on.
Press J to select the
center focus point.
Focus Lock
Focus lock can be used to change the composition after focusing in AF-A, AF-S, and
AF-C focus modes (0 55), making it possible to focus on a subject that will not be in
a focus point in the final composition.
If the camera is unable to focus using
autofocus (0 56), you can also focus on another subject at the same distance and
then use focus lock to recompose the photograph.
Focus lock is most effective when
an option other than e (Auto-area AF) is selected for AF-area mode (0 58).
1 Focus.
Position the subject in the selected focus point
and press the shutter-release button halfway to
initiate focus.
Check that the in-focus indicator
(I) appears in the viewfinder.
Focus point

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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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