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Nikon D3100 User Manual

Nikon D3100
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26
s
Step 4: Focus
1 Press the shutter-release button halfway.
Press the shutter-release button halfway to
focus.
The camera will select the focus points
automatically.
If the subject is poorly lit, the flash
may pop up and the AF-assist illuminator may
light.
2 Check the indicators in the viewfinder.
When the focus operation is complete, the
selected focus points will be briefly highlighted,
a beep will sound (a beep may not sound if the
subject is moving), and the in-focus indicator (I)
will appear in the viewfinder.
While the shutter-release button is pressed halfway, the number of exposures
that can be stored in the memory buffer (“t”; 0 53) will be displayed in the
viewfinder.
Step 5: Shoot
Smoothly press the shutter-release button the rest of
the way down to release the shutter and record the
photograph.
The access lamp next to the memory
card slot cover will light and the photograph will be
displayed in the monitor for a few seconds (the photo
will automatically clear from the display when the
shutter-release button is pressed halfway).
Do not
eject the memory card or remove or disconnect the
power source until the lamp has gone out and recording
is complete.
In-focus indicator Description
I Subject in focus.
I (blinks)
Camera unable to focus using
autofocus.
See page 56.
In-focus
indicator
Buffer
capacity
Access lamp

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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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