Leica grabs bragging rights with 'fastest' lens
Wednesday, September 17, 2008 - 17:21
in Physics & Chemistry
(AP) -- Before camera manufacturers one-upped each other with the number of megapixels, they one-upped each other with the zoom range of their lenses. And before that, in the 1960s, the "speed" of the lens, its ability to gather light, was the big selling point.