Nikon D5100 User Manual

158
L
When AF-C is selected for viewfinder photography (0 39), this option controls
whether photographs can be taken whenever the shutter-release button is pressed
(release priority) or only when the camera is in focus (focus priority).
Choose whether the built-in AF-assist illuminator lights to assist
the focus operation when lighting is poor.
a: Autofocus
a1: AF-C Priority Selection
G button ➜ A Custom Settings menu
Option Description
G Release Photos can be taken whenever the shutter-release button is pressed.
F Focus Photos can only be taken once the camera has focused.
a2: Built-in AF-assist Illuminator
G button ➜ A Custom Settings menu
Option Description
On
The AF-assist illuminator lights when lighting is poor.
AF-assist illumination is only
available when both of the following conditions are met:
1. AF-S is selected for focus mode (0 39) or single-servo autofocus is selected
when the viewfinder is used in AF-A mode.
2. e (Auto-area AF) is chosen for AF-area mode (0 42), or an option other than
e is chosen and the center focus point is selected.
Off
The AF-assist illuminator does not light to assist the focus operation.
The camera
may not be able to focus using autofocus when lighting is poor.
A See Also
See page 41 for information on using the AF-assist illuminator. Information on the shooting
modes in which AF-assist is available may be found on page 216.
See page 201 for
restrictions on the lenses that can be used with AF assist.

Nikon D5100 Specifications

General

Megapixel	16.2 MP
Camera type	SLR Camera Body
Sensor type	CMOS
Image stabilizer	Yes
Total megapixels	16.9 MP
Image sensor size	- \
Image formats supported	JPG
Maximum image resolution	4928 x 3264 pixels
Still image resolution(s)	640 x 424, 1280 x 720, 1920 x 1080
Optical zoom	- x
Focal length range	- mm
Aperture range (F-F)	-
Camera shutter speed	1 - 1/4000 s
Focus adjustment	Auto
ISO sensitivity	100, 125, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1250, 1600, 2000, 2250, 3200, 6400
Flash modes	Auto, Red-eye reduction, Slow synchronization
Scene modes	Beach, Candlelight, Dawn, Dusk, Night, Night landscape, Night portrait, Party (indoor), Portrait, Snow, Sports, Sunset, Landscape (scenery)
White balance	Auto, Cloudy, Fluorescent, Incandescent, Shade
Self-timer delay	2, 5, 10, 20 s
Maximum video resolution	1920 x 1080 pixels
Internal memory	- MB
Compatible memory cards	SD, SDHC, SDXC
Display diagonal	3 \
Display resolution (numeric)	921000 pixels
USB version	2.0
Product color	Black
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	0 - 85 %

Weight and Dimensions

Depth	79 mm
Width	128 mm
Height	97 mm
Weight	560 g