From its origins at the end of the 1830s, photography has never ceased to evolve both aesthetically and technologically. The past decade has given rise to the new age of digital photography, so , first published in 1991, has been revised and updated to define and illustrate terms from the earliest processes to this new technology. At once a rich and informative glossary and a history of the medium, this fully illustrated guide will be invaluable to all those wishing to increase their understanding and enjoyment of the art of photography.