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Optics
1805, but it wasnt used as much becasue it was too bulky and hard to use as it wasnt flexible as todays. a German scientist invented it (forgot name) and used a candle at the end of the endoscope. it wasnt until the 1960's when optics were discovered that the endoscope became so popular.
geometrical optics
An eyelid for me and thee, or a lenscap for various glass optics.
Christiaan Huygens, born April 14, 1629 and died July 8, 1695, was a prominent Dutch mathematician, astronomer, physicist and horologist. His work included early telescopic studies elucidating the nature of the rings of Saturn and the discovery of its moon Titan, the invention of the pendulum clock and other investigations in timekeeping, and studies of both optics and the centrifugal force.
Robert Greenler has written: 'Chasing the Rainbow' 'Rainbows, halos, and glories' -- subject(s): Halos (Meteorology), Meteorological optics, Rainbow
Albert A. Michelson has written: 'Studies in optics' 'Studies in optics' -- subject(s): Optics 'Studies in optics' -- subject(s): Optics
A. R. Elkington has written: 'Clinical optics' -- subject(s): Optics, Physiological optics
W. A. Douthwaite has written: 'Contact lens optics and lens design' -- subject(s): Contact lenses, Optics, Physiological optics 'Contact lens optics' -- subject(s): Contact lenses, Optics, Physiological optics
Stephen Parkinson has written: 'Treatise on optics' -- subject(s): Optics
Edward Nugent has written: 'A treatise on optics' -- subject(s): Optics
Troy E. Fannin has written: 'Clinical optics' -- subject(s): Lenses, Ocular Refraction, Optics, Optics, Physiological, Optometry, Physiological optics, Refraction, Ocular
Masud Mansuripur has written: 'Classical Optics & Its Applications' -- subject(s): Optics
Michael Bass has written: 'Handbook of optics' -- subject(s): Optics, Optical instruments, Handbooks, manuals 'Handbook of optics' -- subject(s): Optics, Optical instruments, Handbooks, manuals
Gill Lloyd has written: 'Book Direct Uk' 'The history of optics' -- subject(s): Optics, Juvenile literature, History 'The history of optics' -- subject(s): History, Juvenile literature, Optics
Arthur Cobb Hardy has written: 'The principles of optics' -- subject(s): Optics
Earle B. Brown has written: 'Modern optics' -- subject(s): Optics