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Nikon D3100 User Manual

Nikon D3100
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76
t
Mode A (Aperture-Priority Auto)
In aperture-priority auto, you choose the aperture while the camera automatically
selects the shutter speed that will produce the optimal exposure.
Large apertures
(low f-numbers) reduce depth of field, blurring objects behind and in front of the
main subject.
Small apertures (high f-numbers) increase depth of field, bringing out
details in the background and foreground.
Short field depths are generally used in
portraits to blur background details, long field depths in landscape photographs to
bring the foreground and background into focus.
To take photographs in aperture-priority auto:
1 Rotate the mode dial to A.
2 Choose an aperture.
Aperture is shown in the viewfinder and
information display.
Rotate the command
dial to choose the desired aperture from
values between the minimum and
maximum for the lens.
3 Frame a photograph, focus, and shoot.
Large aperture (f/5.6) Small aperture (f/22)
Mode dial
Command dial

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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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