1. Getting Started

The Golden Gate Bridge as seen through a 10 mm fisheye lens, August 2005. A fisheye lens yields an image with an extremely wide field of view and lots of spherical distortion.

In April 1991, the Galileo space probe was picking its way through the main asteroid belt that lies between Mars and Jupiter, roughly 250 million miles from Earth. The 22-foot-long space probe had been sent to explore Jupiter and its complex system of moons, and was packed with a number of high-tech instruments, including spectrometers, magnetometers, radiometers, a heavy ion counter, energy particle detectors, and a digital camera.

Unfortunately, Galileo ...

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