In A.D. 1 100, Alhasen discussed the application of pinhole mirror box and the principle of reflection law.
In 1250, the Dominican monk Magno pointed out that silver salt turned black.
Newton first talked about the interference color phenomenon in 1704.
1725, Schultz discovered that silver salt has photosensitivity.
1757 achromatic lens invented by Dolong. In the same year, Beccaria discovered the photosensitivity of silver chloride.
1793, the Nips brothers first conceived of fixing the image formed by the pinhole mirror box with photosensitive materials.
/kloc-the infrared spectrum was discovered in Herschel in 0/800.
180 1 ultraviolet light was discovered in Riter.
1809, Goethe made a high evaluation of the mirror box in his book wahlverwandschaften.
18 1 1 year, Gourdaut first extracted iodine from the ashes of marine plants.
18 14 fraunhofer method because of the discovery of spectral lines in the spectrum, it laid the foundation of modern precision optics.
18 16 N Neps installed the first camera named "Artificial magic eye" with its own lens group, and used it to take some negative photos that could not stand the light.
Grotes founded photochemical reaction theory in 18 17, and published it in 18 18.
1824 N Niepce took the first successful photo on September 16 of that year.
1826 N Niepce's earliest photos are still well preserved.
1829 N Nepps and Daguerre cooperated in research * * *.
1835, Daguerre discovered the latent image on the silver iodide sheet, which can be displayed as a visible image by using mercury vapor.
Arago published Neps and the Invention of Daguerre.
Inspired by John Herschel in 1839, Talbot used sodium thiosulfate (baking soda) discovered by Gruisak and Wilzer in 18 19 to fix the image in the photo.
1839, the first book about photography was published in Harley, Germany. The author is Neto, and the topic is "Detailed instructions for making photos of Daguerre method".
In 1839, Bekkerel discovered the photoelectric effect at the age of 19, which laid the foundation for designing photoelectric exposure meters in the future.
1840, Dr. percival designed a famous percival lens with a relative aperture of 1: 3.6 through calculation, which initiated the scientific lens design.
1847, Abbe Niep replaced the photographic paper used by Talbot with a glass plate, which laid the foundation for the whole modern negative and positive photography.
185 1, Archie gave a detailed description of the photography method (collodion photography method) of Keluo Tincture in his published paper.
1854 published different papers to discuss the photography of dried corolla tincture.
1860, Professor Wei Yi first applied mercury solitary light as artificial lighting to photography.
186 1 Rizegang put forward the possibility of using magnesium light in photography.
1868, Deco de huo long's "Principles of Tricolor Photography" won the prize.
187 1 year, Dr. Ma dukes announced his invention of silver bromide gelatin xerography.
Vogel discovered the principle of optical sensitivity in 1873.
1880, abney first applied hydroquinone (Chinoni) to photographic processing.
1884, Skot Jean Company of Jena smelted a new type of optical glass for the first time.
1887, Mitt first applied the magnesium powder flash lamp to photography.
1887 Reverend Godwin obtained a patent for manufacturing celluloid film.
1889 The earliest film in Europe was successfully shot by Dr. French with Kodak 1 camera.
1889, Dr. Rudolf designed the first practical positive lens, which was produced by carl zeiss factory under the brand "protet".
1890, Dr. andresen discovered that p-aminophenol can be used as a color developer, and obtained a patent in 189 1 year. This developer is famous for its trade name "Rodina", and the state-run Wolfen Film Factory still supplies it to the market under the name of ORWO-R09 developer.
1902, the Zeiss Tiansai lens designed by Dr. Rudolf first appeared in the market.
1904, Lumiere brothers invented a color photography method using color screen hard film.
19 12 years, Dr. Fisher obtained German patent No.253335 "Method of making color photos", which laid the foundation for modern color photography.
19 13 banach was designed as the first camera using perforated film-the earliest Leica. This model of camera has appeared on the market since 1925.
1920, Dr. Cramer discovered desensitizer.
1920, Hartfeld specially made the earliest editing photos, which were the first batch of editing photos that served the interests of the working class by artistic means.
Ostmeyer invented the smokeless flash bulb.
1929 The appearance of the first batch of dual-lens reflex cameras (Lu) produced by Frank and Haidekker was hailed as a sensational event in photography that year.
1932 the first photoelectric exposure meter of Weston company in the United States was successfully designed.
1935, Zeiss Jenakar Factory began to study how to reduce the reflected light to improve the effective luminous flux of the lens (that is, the study of Zeiss coated lens).
1935 Kodakrom color reversal film was successfully manufactured according to the principle invented by Mannes and Gaudusky.
1836, Dr. veerman and Dr. Schneider produced Akfa color film in Wolfen film factory according to the principle of Fisher patent.
1936, Dr. Coslovschi found that the photographic emulsion contains a proper amount of gold salt, which can significantly improve the photographic speed of the emulsion without enlarging the particle size of the emulsion, thus creating conditions for the manufacture of modern high-sensitivity materials.
1937, the world's first single-lens small reflective camera-the "small Exeter" produced by the camera factory of Iha Hall in Dresden came out.
1939 successfully filmed the first art film based on the color principle of Akfa.
1956, Wolfen Film Factory made the fastest film for the first time, which was more than twice as fast as the famous express film at that time.
1960 Dresden state-owned camera and film equipment factory manufactured the first fully automatic camera in the German Democratic Republic-"Placketi".
1963, Paula Rand Company of America published Paula Color Photography, which was the first successful color photography based on the principle of one-step photography.
1976 Kodak announced to the public that the new Kodak one-step film and camera have been successfully developed.