Nikon D300 User Manual page 446

people still wet- or brush-clean their camera's sensor. I've
done it myself, although I'll never admit it! (Oops!)
If all of this makes you nervous, then send your camera off to
Nikon for approved cleaning, or use a professional service.
Fortunately, a few puffs of air will often remove dust too
stubborn for the high-frequency vibration methods. It helps to
have the proper tools, such as the Giottos Rocket-Air blower
from the Nikonians PhotoProShop.com (Figure 5-9).
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