Stunning First Images From the World's Most Powerful Digital Camera

Sat on top of a mountain in Chile is the world's most powerful digital camera. Known as the Dark Energy Camera, it's recently been fired up to image the night sky, in an attempt to find the exotic stuff that gets all physicists excited. These are the first images it's produced. And they're magnificent. » 9/18/12 8:20am 9/18/12 8:20am

Explaining What the Hell F-Stop Is, and How It Can Change Your…

F-stop is to photography beginners what inorganic chemistry is to an MFA graduate: some kind of black magic that only makes sense to experts. That said, I'm sure plenty of seasoned photographers use f-stop numbers without knowing what they really mean, too. But no more, because this video explains the concept in a… » 4/03/12 5:13am 4/03/12 5:13am