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The Setup MenuSetup
3
With the lens ten centimeters (four inches) from a bright, featureless white
object, frame the object so that nothing else is visible in the viewfi nder and
press the shutter-release button halfway. In autofocus mode, focus will
automatically be set to infi nity; in manual focus mode, set focus to infi nity
manually before pressing the shutter-release button. If using the aperture
ring to set aperture, choose the minimum setting (largest f/-number).
4
Press the shutter-release button the rest of the way down to acquire Image
Dust Off reference data (note that noise reduction turns on automatically
when the subject is poorly lit, increasing the amount of time needed to
record the data). The monitor turns off when the shutter-release button is
pressed.
If the reference object is too bright or too dark, the
camera may be unable to acquire Image Dust Off
reference data and the message shown at right will
be displayed. Choose another reference object and
repeat the process from Step 1.
The Image Dust Off feature in Nikon Capture 4 Version 4.4 or later (available separately)
processes NEF (RAW) photographs to remove the eff ects of dust in the camera imaging
system by comparing the images to the data acquired with Dust Off Ref Photo. It is
not available with JPEG images. The same reference data can be used for NEF (RAW)
photographs taken with diff erent lenses or at diff erent apertures.
Image Dust Off
Image Dust Off Reference Data
Reference images can not be viewed using computer imaging
software. A grid pattern is displayed when reference images are
viewed on the camera.