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View from the Window at Le Gras 1826 or 1827, believed to be the earliest surviving camera photograph. [1] Original (left) and colorized reoriented enhancement (right).. The history of photography began with the discovery of two critical principles: The first is camera obscura image projection; the second is the discovery that some substances are visibly altered by exposure to light. [2]
Photography – process of making pictures by the action of recording light patterns, reflected or emitted from objects, on a photosensitive medium or an image sensor through a timed exposure. The process is done through mechanical , chemical , or electronic devices known as cameras .
The word "photography" was created from the Greek roots φωτός (phōtós), genitive of φῶς (phōs), "light" [2] and γραφή (graphé) "representation by means of lines" or "drawing", [3] together meaning "drawing with light". [4] Several people may have coined the same new term from these roots independently.
On Photography is a 1977 collection of essays by American writer Susan Sontag. The book originated from a series of essays Sontag published in The New York Review of Books between 1973 and 1977. In On Photography , Sontag examines the history and contemporary role of photography in society.
Fine-art photography is photography created in line with the vision of the photographer as artist, using photography as a medium for creative expression. The goal of fine-art photography is to express an idea, a message, or an emotion.
The sunny 16 rule can be used in varying light by setting the shutter speed nearest to the ISO film speed and f-number according to a generalized exposure table, as: [3] [4] Tessina with exposure guide plate from the 1960s. At that time, DIN 21 was equivalent to ASA 80. After 1983, DIN 21 was ASA 100. [5]