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Real World Digital Photography, 2nd edition by Tim Grey, Seán Duggan, Katrin Eismann

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Dealing with Dust

Digital capture opens up a world of new possibilities for photography, but there can be pitfalls. One of those is dust. Dust has been a problem for photographers since long before the first digital camera was invented, but digital cameras with interchangeable lenses introduce a new reason to be concerned about dust. Unlike film that moves with each frame, the imaging sensor stays where it is. If dust or other contaminants get on the sensor, they can produce spots in every picture you take. Fortunately, although the problem is very annoying, special cleaning accessories exist to help you remove dust from the image sensor. See the sidebar “Cleaning the Image Sensor” in this chapter.

The old saying that an ounce of prevention is ...

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