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Circular polarizer/linear analyzer [1] filtering unpolarized light and then circularly polarizing the result. A polarizing filter or polarising filter (see spelling differences) is a filter that is often placed in front of a camera lens in photography in order to darken skies, manage reflections, or suppress glare from the surface of lakes or the sea.
Backscatter (photography) The backscatter of the camera's flash by motes of dust causes unfocused orb-shaped photographic artifacts. In photography, backscatter (also called near-camera reflection[ 1 ]) is an optical phenomenon resulting in typically circular artifacts on an image, due to the camera's flash being reflected from unfocused motes ...
This is a list of superzoom compact cameras, also known as travel zoom cameras. [ 1 ] [ 2 ] These are small fixed-lens " point-and-shoot " digital cameras that have a high optical zoom ratio. These cameras all include a power zoom lens that retracts into the body when not in use, along with an automatic lens cover or lens cap.
Circle-Vision 360° is a film format developed by The Walt Disney Company that uses projection screens which encircle the audience. [1] Circle-Vision 360° developed from the Circarama format, which uses eleven 16 mm projectors. [2][3] The first Circarama film was A Tour of the West (1955). [2][4] For the film Italia '61, the number of cameras ...
Early photographic camera lenses (1800–1890) Biconvex (or double convex) lens with aperture stop in front of it. The early photographic experiments of Thomas Wedgwood, Nicéphore Niépce, Henry Fox Talbot, and Louis Daguerre all used simple single-element convex lenses. [2]: 55 These lenses were found lacking.
A box camera is a simple type of camera, the most common form being a cardboard or plastic box with a lens in one end and film at the other. They were sold in large numbers during the late 19th and early 20th centuries. The lenses are often single element designs meniscus fixed focus lens, or in better quality box cameras a doublet lens with ...
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The Olympus XA was a series of 35 mm cameras manufactured and marketed by Olympus of Japan from 1979 to 1985. The original XA was a rangefinder camera with a fast 35 mm f/2.8 lens, and aperture priority metering. It was one of the smallest rangefinder cameras ever made, together with the Contax T. Later models—XA2, XA3 and XA4—featured ...
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