http://articles.mercola.com/sites/articles/archive/2005/04/16/digital-camera-sensor.aspxWhile it has the capacity to produce some of the most amazing photographs, a major problem surrounding the digital SLR camera is keeping the sensor clean when changing lenses. Even if one is careful, dust can find its way in there. Most manufacturersenCommunityServer 2008.5 SP1 (Build: 31106.3070)