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In photography and optics, vignetting (/ v ɪ n ˈ j ɛ t ɪ ŋ / vin-YET-ing) is a reduction of an image's brightness or saturation toward the periphery compared to the image center. The word vignette , from the same root as vine , originally referred to a decorative border in a book.
Original file (733 × 1,118 pixels, file size: 57.57 MB, MIME type: application/pdf, 504 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The Glossary of Digital Photography. Rocky Nook, 2007, ISBN 1-933952-04-0. Peres, Michael R. The Focal Encyclopedia of Photography, Fourth Edition. Focal, 2007, ISBN 0-240-80740-5. Taylor, Phil. Digital Photographic Imaging Glossary. Trafford, 2006, ISBN 1-55369-253-5. Glossary, issued by Nikon, explaining the Nikkor lens codes. Retrieved 2011 ...
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 .
S represents the light source, while r represents the measured points. The lines represent the flux emanating from the sources and fluxes. The total number of flux lines depends on the strength of the light source and is constant with increasing distance, where a greater density of flux lines (lines per unit area) means a stronger energy field.
The Ilford Manual of Photography is a comprehensive manual of photography, originally authored by C.H. Bothamley and first published in 1890 by The Britannia Works Company, which became Ilford, Limited in 1901. The 1890 edition was revised by Bothamley many times over a period of forty years until the first multi-authored edition, edited by ...
Agfacolor. Ap-41 process (pre-1978 Agfa color slides; 1978-1983 was a transition period when Agfa slowly changed their color slide films from AP-41 to E6); Anthotype; Autochrome Lumière, 1903
In photography, the circle of confusion is used to determine the depth of field, the part of an image that is acceptably sharp. A standard value of CoC is often associated with each image format , but the most appropriate value depends on visual acuity , viewing conditions, and the amount of enlargement.