Dust particles will eventually find their way onto the filter that rests in front of the DSLR camera sensor. Many camera models have their own dust removal systems but they are only affective to a certain degree. Sooner or later most DSLR owners will notice small dark spots on images which are more apparent against blue skies and when the aperture is closed down. The thought of cleaning the delicate insides of a new expensive camera does send some people weak at the knees. Your options are to pay someone to clean the dust away or do it yourself. The DIY option makes sense financially as who knows how often you will need to clean it. Even those who rarely ...  Read the complete review