If it takes a certain daring – or disregard – to crack the case on your computer and blow it free of dust, then it takes even more gumption to tackle cleaning your digital camera sensor. In this article, I’ll walk you through the basics of sensor cleaning, give you the rundown on which tools you’ll need (and which ones you won’t), show you how to get the gunk off your lenses and throw in some general upkeep tips for good measure.