Diaphragm (optics) 1889 "Dictionary of Photography" (see figure), but disappeared after Ernst Abbe's theory of stops unified these concepts. According to Rudolf Kingslake, the inventor of the iris diaphragm is unknown. Others credit Joseph Nicéphore Niépce for this device, around 1820. Mr. J. H. Brown, a member of the Royal Microscopical Society, appears to have invented a popular improved iris diaphragm by 1867. Kingslake has more definite histories for some other diaphragm types, such as M. Noton's adjustable "cat eye" diaphragm of two sliding squares in 1856, and the Waterhouse stops of John Waterhouse in 1858. Diaphragm (optics) In optics, a diaphragm
The Eye (2008 film) The Eye (2008 film) The Eye is a 2008 American supernatural horror film directed by David Moreau and Xavier Palud, scripted by Sebastian Gutierrez, and starring Jessica Alba, Parker Posey, Alessandro Nivola, and Rade Šerbedžija. It is a remake of the Pang Brothers' 2002 film of the same name. Sydney Wells is a successful classical violinist from Los Angeles who has been blind since she was five years old, caused by an accident with firecrackers. Fifteen years later, after celebrating conductor and pianist Simon McCullough's birthday during rehearsal, Sydney undergoes a cornea transplant, which causes her eyesight to return, a