Clean Image Sensor
(User’s Manual – D300S page 358; D300 page 371)
Clean image sensor is Nikon’s helpful answer to dust spots on
your images that are the result of a dirty imaging sensor.
Dust is everywhere and will eventually get on your camera’s
sensor. Well, it doesn’t really get on the sensor itself, since
there are filters in front of the sensor. The D300(S) cleans the
sensor by vibrating the entire sensor unit, which includes the
low-pass filter in front of the sensor. These high-frequency
vibrations will dislodge dust and make it fall off the filter so
that you won’t see it as spots on your pictures.
I had no serious dust spot problems with my D300, even after
shooting for several days on the beach. I once thought I saw a
dust spot and used the Lock mirror up for cleaning function
(next section) so that I could blow on the sensor with my
Giottos Rocket air blower bulb, and the spot was gone. And
so far, with my new D300S and eight months of use, I’ve not
seen any dust, period. The vibration method seems to work
pretty well. Compared to shooting with my D2X, the D300(S)
has far fewer dust issues.
Of course, if any sticky pollen or other wet dust gets into my
camera, I’m sure even the vibration system won’t be able to
remove that. Then it may be time for wet cleaning.
440
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General
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