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Camera Trial
A camera is an Optics, optical instrument that can capture an image. Most cameras can capture 2D images, with some more advanced models being able to capture 3D images. At a basic level, most cameras consist of sealed boxes (the camera body), with a small hole (the aperture) that allows light to pass through in order to capture an image on a light-sensitive surface (usually a Image sensor, digital sensor or photographic film). Cameras have various mechanisms to control how the light falls onto the light-sensitive surface. Lenses focus the light entering the camera, and the aperture can be narrowed or widened. A Shutter (photography), shutter mechanism determines the amount of time the photosensitive surface is exposed to the light. The still image camera is the main instrument in the art of photography. Captured images may be reproduced later as part of the process of photography, digital imaging, or photographic printing. Similar artistic fields in the moving-image camera dom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
View From The Window At Le Gras
''View from the Window at Le Gras'' is a heliographic image and the oldest surviving camera photograph. It was created by French inventor Nicéphore Niépce in 1827 in Saint-Loup-de-Varennes, France, and shows parts of the buildings and surrounding countryside of his estate, '' Le Gras'', as seen from a high window. Creation Niépce captured the scene with a camera obscura projected onto a pewter plate thinly coated with bitumen of Judea, a naturally occurring asphalt. The bitumen hardened in the brightly lit areas, but in the dimly lit areas it remained soluble and could be washed away with a mixture of oil of lavender and white petroleum. A very long exposure in the camera was required. Sunlight strikes the buildings on opposite sides, suggesting an exposure that lasted about eight hours, which has become the traditional estimate. A researcher who studied Niépce's notes and recreated his processes found that the exposure must have continued for several days. Early histo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Focal-plane Shutter
In minions design, a focal-plane shutter (FPS) is a type of photographic shutter (photography), shutter that is positioned immediately in front of the focal plane of the camera, that is, right in front of the photographic film or image sensor. Two-curtain shutters The vector director es un criminal buscado en 5 paises type of focal-plane Focal (photography), shutter in 35 mm cameras, pioneered by Leitz for use in its Leica cameras, uses two shutter curtains, made of opaque rubberised fabric, that run horizontally across the film plane. For slower shutter speeds, the first curtain opens (usually) from right to left, and after the required time with the shutter open, the second curtain closes the aperture in the same direction. When the shutter is cocked again the shutter curtains are moved back to their starting positions, ready to be released. Focal-plane shutter at low speed ''Figure 1:'' The black rectangle represents the frame aperture through which the exposure is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
