How to Clean Your Camera Sensor in 3 Easy Steps: "here is really nothing more frustrating for photographers than a camera sensor that is full of dust and specks. Dust on the sensor happens, it’s just a fact of digital photographic life. If you’re an outdoor photographer with a zoom lens, or one who changes lenses in the field, dust and particles will find a way onto your sensor on an almost regular basis. But even studio photographers experience the distress of a dirty sensor."
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