Nikon D90 User Manual

Image Dust off Ref Photo
Acquire reference data for the Image Dust Off option in Capture NX 2 (available
separately; for more information,
see the Capture NX 2 manual).
Image dust
off ref photo is available only when a CPU lens is mounted on the
camera. A lens
with a focal length of at least 50 mm is recommended. When using a
zoom lens, zoom all
the way in.
1 Choose a start option.
Highlight one of the following options and
press
@. To exit without acquiring image dust
off data, press MENU.
• Start: The message shown at right will be
displayed and
"rEF" will appear in the
viewfinder and control panel displays.
• Clean sensor and then start: Select this option to
clean the image sensor before starting. The
message shown at
right will be displayed and
"rEF" will appear in the viewfinder and control
panel displays when cleaning
is complete.
rEF
C1
206
~Image Sensor Cleaning
Dust off reference data recorded before image sensor cleaning is performed can not be
used
with photographs taken after image sensor cleaning is performed. Select Clean
sensor and then start
only ifthe dust off reference data will not be used with existing
photographs.
2 Frame a featureless white object in the viewfinder.
With the lens about ten centimeters (four inches) from a well-lit, featureless
white object, frame the object
so that it fills the viewfinder and then press the
shutter-release
button halfway.
In autofocus mode, focus will automatically be set to infinity; in manual focus
mode, set focus
to infinity manually.

Nikon D90 Specifications

General

Megapixel	12.3 MP
Camera type	SLR Camera Body
Sensor type	CMOS
Sensor format	DX
Image stabilizer	No
Total megapixels	12.9 MP
Image sensor size	- \
Image formats supported	JPG, RAW
Maximum image resolution	4288 x 2848 pixels
Image sensor size (W x H)	23.6 x 15.8 mm
Still image resolution(s)	4288 x 2848 3216 x 2136 2144 x 1424
Mounting type	Bayonet
Lens mount interface	Nikon F
Video recording	Yes
Video resolutions	320 x 216, 640 x 424, 1280 x 720 pixels
Motion JPEG frame rate	24 fps
Maximum video resolution	1280 x 720 pixels
Analog signal format system	NTSC
Display diagonal	3 \
Vari-angle LCD display	-
Display resolution (numeric)	920000 pixels
Magnification	0.94 x
Viewfinder type	Optical
Eye relief	19.5 mm
Scene modes	Close-up (macro), Night portrait, Portrait, Sports, Landscape (scenery)
Image editing	Trimming
Photo effects	Black&White, Neutral, Vivid
White balance	Auto, Cloudy, Flash, Fluorescent, Incandescent, Manual, Sunny
Playback modes	Zoom
Camera playback	Highlights, Movie, Single image, Slide show, Thumbnails
Self-timer delay	2, 5, 10, 20 s
Camera file system	DCF 2.0, DPOF, Exif 2.21
Product color	Black
Flash modes	High-speed synchronization
Flash sync-speed	1/200 s
Flash range (wide)	- m
Memory slots	1
Compatible memory cards	SD, SDHC
Light metering	Centre-weighted, Matrix, Spot
ISO sensitivity	100, 200, 3200, 6400
Light exposure modes	Aperture priority AE, Auto, Manual, Shutter priority AE
ISO sensitivity (max)	6400
ISO sensitivity (min)	100
Light exposure correction	±5EV (1/2; 1/3 EV step)
Auto Focus (AF) points	11
Auto focusing (AF) modes	Servo Auto Focus, Single Auto Focus
Camera shutter type	Electronic
Fastest camera shutter speed	1/4000 s
Slowest camera shutter speed	30 s
USB version	2.0
Power source type	Battery
Battery type	EN-EL3e
Battery life (CIPA standard)	850 shots

Weight and Dimensions

Depth	77 mm
Width	132 mm
Height	103 mm
Weight	620 g