Nikon D3100 User Manual

77
t
Mode M (Manual)
In manual exposure mode, you control both shutter speed and aperture. To take
photographs in manual exposure mode:
1 Rotate the mode dial to M.
2 Choose aperture and shutter speed.
Checking the exposure indicator (see below), adjust shutter speed and
aperture.
Shutter speed is selected by rotating the command dial: choose from
values between 30 s and
1
/4,000 s or select “bulb” to hold the shutter open
indefinitely for a long time-exposure (0 78).
Aperture is selected by pressing
the N (E) button and rotating the command dial: choose from values between
the minimum and maximum for the lens.
Shutter speed and aperture are
shown in the viewfinder and information display.
3 Frame a photograph, focus, and shoot.
Shutter speed Aperture
Command
dial
N(E) button Command
dial
A The Exposure Indicator
If a CPU lens is attached and a shutter speed other than “bulb” is selected, the exposure
indicator in the viewfinder and information display shows whether the photograph would
be under- or over-exposed at current settings (the illustrations below show the display in the
viewfinder).
If the limits of the exposure metering system are exceeded, the indicator will
flash.
Optimal exposure Underexposed by
1
/3 EV Overexposed by over 2 EV
Mode dial

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