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Adding a general overall exposure of light to a photosensitive material to alter the material's response to a captured image is a long-known technique. Photographer Ansel Adams describes the use of "pre-exposure," to make details visible in a darker area of an image, in his text The Negative (rev. ed. 1959). For more, study astronomic ...
A full-power flash from a modern built-in or hot shoe mounted electronic flash has a typical duration of about 1ms, or a little less, so the minimum possible exposure time for even exposure across the sensor with a full-power flash is about 2.4 ms + 1.0 ms = 3.4 ms, corresponding to a shutter speed of about 1 ⁄ 290 s. However some time is ...
A well-organized slide show allows a presenter to fit visual images to an oral presentation. The old adage "A picture is worth a thousand words" holds true, in that a single image can save a presenter from speaking a paragraph of descriptive details. As with any public speaking or lecturing, a certain amount of talent, experience, and rehearsal ...
Fans of The Flash can add now another title to their collection. Fresh off the premiere of “The Flash” movie in theaters, DC Comics has released a new illustrated book that offers a behind-the ...
Note that the face is seen while the picture of the car is still present. If the order of presentation is reversed, the order of percept is reversed. The phenomenon of flash suppression seems to have been known since the 19th century. The phenomena was described by McDougall in 1901 [1] and utilized for an EEG experiment by Lansing in 1964. [2]
The following outline is provided as an overview of and topical guide to photography: . 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.
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 of dust, water droplets, or other particles in the air or water.
This category collects images that are scans, screen captures, photos, and/or illustrations of Flash Gordon and related characters and intellectual properties for which King Features Syndicate holds the copyright and/or trademark. This includes material originally published by other companies.
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