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Dust Ref Photo

This option is used to acquire reference data for the Image Dust Off function
in Nikon Capture 4 version 4.1 or later (for more information on Image Dust
Off, see the Nikon Capture 4 User's Manual).
To acquire Image Dust Off reference data:
Attach a CPU lens. Dust ref photo is only available when a CPU lens
is mounted on the camera. We recommend using a lens with a focal
length of at least 50 mm. If using a zoom lens, zoom in to the maximum
telephoto position.
Highlight Dust ref photo in the setup
menu (
155) and press the multi selector to
the right. The menu shown at right will be
Highlight Yes and press the multi selector to
the right (to exit to the setup menu without
acquiring Image Dust Off reference data,
highlight No and press the multi selector to
the right). Camera settings will automatically
be adjusted for Image Dust Off. The message
shown at right will be displayed, and
be displayed in the viewfi nder and control
panel. To cancel the operation and return to
the setup menu, press the
the multi selector to the left. The operation
will also be cancelled when the camera or
monitor is turned off.
Image Dust Off
The Image Dust Off feature in Nikon Capture 4 (available separately) processes NEF
(RAW) photographs to remove the effects of dust in the camera imaging system by
comparing the images to the data acquired with Dust ref photo. It is not available
with JPEG images. The D70 can be used with Nikon Capture 4 version 4.1 or later.
button or press
Dust ref photo
Dust ref photo
Take photo of
white object
10cm from


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