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發表於 2012-7-19 19:14:30
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16.07.2012reflex camera
In 1860, the British Sutton designed with rotatable mirror finder's original single lens reflex camera; in 1862, the French Deteli put two cameras are stacked together,IP camera manufacturera viewfinder, a photographic camera lens, formed the original form; in 1880, the British Beck made twin lens reflex camera.
In 1866the German chemist Schott and optical scientists a in Carl Zeiss Company invented barium flint optical glass, produced positive optical camera lens, the camera lens design and manufacturing, has obtained the rapid development. In 1888the United States of America Kodak Company produced a new photosensitive material - soft, winding" film". This is a leap of the photosensitive material. The same year, Kodak company invented the world's first film portable box camera with photographic materials development,1871,PC camera manufacturerdab4d59ck appeared to use silver bromide coated stem edition,1884, appeared again with cellulose nitrate ( Celluloid camera Luo ) as substrate film.
1906American George Silas first used the flash. 1913 German Oscar Barnack developed the world's first135 camera.
From 1839to 1924this camera is the first stage of development, also appeared a few new button shaped, pistol shape camera.
From 1925to 1938for the camera second phase of development.HD webcam manufacturer This time, the German Leitz, Carolina, Cai Si and other companies to develop and produce a small volume, aluminum alloy fuselage twin lens and a single lens reflex camera.
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發表於 2012-7-18 15:52:13
