Tag Archives: dust

Dirty photography no more?

Nikon D40 digital SLR camera with visible CCD image sensor
Photo: Kaspar Metz/Wikimedia Commons

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.

How should a digital camera be cleaned?

Because if it were green, we wouldn’t know where to stop mowing

Why is the sky blue? Everyone supposedly knows, but just about everybody gets it partially wrong. Don’t feel bad, though; the answer has so many parts, it took philosophers and scientists from Aristotle to Maxwell to answer it.

Besides, it’s a bit of a trick question …

Why is the sky blue?