Nikon D300 User Manual page 445

1. Select Lock mirror up for cleaning
Menu and scroll to the right.
2. Choose Start, as shown in
scroll to the right.
3. You'll see a screen that says, When shutter button is
pressed, the mirror lifts and shutter opens. To lower
mirror, turn camera off (see
4. Remove the lens and press the
once. The sensor will now be exposed and ready for
cleaning. Be careful not to let new dirt in while the
sensor is open to air.
5. Clean the sensor.
6. Turn the camera off and put the lens back on.
Make sure you have a fresh battery in the camera because
that's what holds the shutter open for cleaning. It must be
above a 60% charge or the camera will refuse to start the
process.
You'll need a good professional sensor-cleaning blower. My
favorite is the Giottos Rocket-Air blower with its long red tip
for easy insertion (see
Nikonians Pro Shop (www.PhotoProShop.com). It doesn't
cost very much!
My Recommendation:
If even an air blower fails to remove stubborn dust or pollen,
you will either have to get your sensor professionally cleaned
or do it yourself. Nikon states that you will void your
warranty if you touch the low-pass filter. However, many
Figure
Figure
Figure 5-9). I bought mine from the
445
from the Shooting
5-8, image 2, and then
5-8, image 3).
Shutter-release button