To check for dust on your sensor, use the longest focal length or zoom setting of your lens, focus to infinity, and use a narrow aperture of around f/16. Take a few shots of a blank area of sky and ...

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What is the best way to clean the lens of a digital camera? I've been told that the lens has a special coating of some sort and therefore I should not just use eyeglass cleaner (basically alcohol) and ...

Your outdoor home security cameras face a lot of opponents: dirt, tree sap, pollen, dead bugs, water stains, fingerprints and ...