An analysis of photography and fact

A How-To Guide I. A strong geometrical shape is the key to good composition in graphic design and film and photo composition.

An analysis of photography and fact

Inventing the medium

One of the most important effects of radiation on matter is seen in photographic action. Apart from its various uses in art, commerce, and industry, photography is an invaluable scientific tool.

It is used extensively in spectroscopy, in photometry, and in X-ray examinations. In order to understand them, one must first understand the characteristics of the process itself.

One of the most important characteristics is immediacy. Usually, but not necessarily, the image that is recorded is formed by a lens in a camera. The essential elements of the image are usually established immediately at the time of exposure.

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This characteristic is unique to photography and sets it apart from other ways of picture making. The seemingly automatic recording of an image by photography has given the process a sense of authenticity shared by no other picture-making technique.

In the early part of its history, photography was sometimes belittled as a mechanical art because of its dependence on technology.

An analysis of photography and fact

In truth, however, photography is not the automatic process that is implied by the use of a camera. Although the camera usually limits the photographer to depicting existing objects rather than imaginary or interpretive views, the skilled photographer can introduce creativity into the mechanical reproduction process.

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The image can be modified by different lenses and filters. The type of sensitive material used to record the image is a further control, and the contrast between highlight and shadow can be changed by variations in development.

In printing the negative, the photographer has a wide choice in the physical surface of the paper, the tonal contrast, and the image colour.

The photographer also may set up a completely artificial scene to photograph. He or she chooses the vantage point and the exact moment of exposure.

The photographer perceives the essential qualities of the subject and interprets it according to his or her judgment, taste, and involvement.

An effective photograph can disseminate information about humanity and nature, record the visible world, and extend human knowledge and understanding. For all these reasons, photography has aptly been called the most important invention since the printing press.

Inventing the medium Antecedents The forerunner of the camera was the camera obscuraa dark chamber or room with a hole later a lens in one wall, through which images of objects outside the room were projected on the opposite wall.

The principle was probably known to the Chinese and to ancient Greeks such as Aristotle more than 2, years ago. Late in the 16th century, the Italian scientist and writer Giambattista della Porta demonstrated and described in detail the use of a camera obscura with a lens.

In the German professor of anatomy Johann Heinrich Schulze proved that the darkening of silver salts, a phenomenon known since the 16th century and possibly earlier, was caused by light and not heat. He demonstrated the fact by using sunlight to record words on the salts, but he made no attempt to preserve the images permanently.

His discovery, in combination with the camera obscura, provided the basic technology necessary for photography. It was not until the early 19th century, however, that photography actually came into being. He oiled an engraving to make it transparent and then placed it on a plate coated with a light-sensitive solution of bitumen of Judea a type of asphalt and lavender oil and exposed the setup to sunlight.

An analysis of photography and fact

After a few hours, the solution under the light areas of the engraving hardened, while that under the dark areas remained soft and could be washed away, leaving a permanent, accurate copy of the engraving. The exposure time was about eight hours, during which the sun moved from east to west so that it appears to shine on both sides of the building.

It was exposed in about three hours, and in February he had the pewter plate etched to form a printing plate and had two prints pulled. Between and he was coproprietor of the Diorama in Parisan auditorium in which he and his partner Charles-Marie Bouton displayed immense paintings, The partners painted the scenes on translucent paper or muslin and, by the careful use of changing lighting effects, were able to present vividly realistic tableaux.On the front cover of the first paperback edition of On Photography, there is an early photograph, possibly a daguerreotype, of a couple holding yet another photograph or daguerreotype of what.

Combine content information with formal analysis to "read" (analyze) photographs To enhance your appreciation of photography it is necessary to develop the skills to make careful visual analysis.

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Jul 23,  · Essay: Icons as Fact, Fiction and Metaphor By Philip Gefter Jul. 23, Jul. 23, For the Lens blog, Philip Gefter, formerly a picture editor at The Times who writes regularly about photography, has adapted an essay from his new book, “ Photography After Frank,” published by the Aperture Foundation.

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