Nikon D300 User Manual

Page 403

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4

Raise the mirror.

Press the shutter-release
button all the way down.
The mirror will be raised and
the shutter curtain will open,
revealing the low-pass filter. The display in the viewfinder will
turn off and the row of dashes in the control panel will blink.

5

Examine the low-pass filter.

Holding the camera so that light falls on
the low-pass filter, examine the filter for
dust or lint. If no foreign objects are
present, proceed to Step 7.

6

Clean the filter.

Remove any dust and lint from the filter
with a blower. Do not use a blower-
brush, as the bristles could damage the
filter. Dirt that can not be removed with
a blower can only be removed by Nikon-
authorized service personnel. Under no circumstances should
you touch or wipe the filter.

7

Turn the camera off.

The mirror will return to the down position and the shutter
curtain will close. Replace the lens or body cap.

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