[6] Typically located in the lens,[7] this opening can be widened or narrowed to control the amount of light that strikes the film.

streaming cams). This article is about the mechanics and primary types of cameras. A camera is an optical instrument used to record images.
At close distances however, parallax errors were encountered and some cameras also included an indicator to show what part of the composition would be excluded. [7][10], There are two types of mechanical shutters. If you use Camera-Wiki.org, please support us with a Donation !

There is a direct relationship between the exposure times and aperture settings so that if the exposure time is lengthened one step, but the aperture opening is also narrowed one step, the amount of light exposing the film or sensor is the same. Some professional equipment is very large and too heavy to be hand held whilst some amateur cameras were designed to be very small and light for single-handed operation. [7] Conversely, the lower the number, the larger the opening, and so the more light that is let into the camera. [8][9] The diameter of the aperture can be set manually, typically by adjusting a dial on the camera body or lens, or automatically based on calculations influenced by an internal light meter. This site is a comprehensive encyclopedia about camera brands and models, and is the successor to Camerapedia.org. These cameras have a wide range of movements allowing very close control of focus and perspective. No SLR camera before 1954 had this feature, although the mirror on some early SLR cameras was entirely operated by the force exerted on the shutter release and only returned when the finger pressure was released. When a family of five rent a beautiful house for their summer vacation, the price seems too good to be true. Kamera może transmitować obrazy statyczne (co pewien czas, zwany czasem odświeżania, przesyła pojedynczy obraz) lub transmisja może odbywać się w sposób ciągły (tzw. Your email address will not be published. Twin-lens reflex cameras use an objective lens and a focusing lens unit (usually identical to the objective lens.) This "depth of field" increases as the aperture closes, so that objects that are at differing distances from the camera can both be in focus; when the aperture is at its narrowest, the foreground and background are both in sharp focus. They range from extreme wide angle, and standard, medium telephoto. A current plenoptic camera design has 40,000 lenses working together to grab the optimal picture.[15]. [31] Gradually in the 2000s, the full-frame DSLR became the dominant camera type for professional photography. Although marketing materials may use the colloquial term "camcorder", the name on the package and manual is often "video camera recorder". The standard film size for ciné cameras was quickly established as 35mm film and this remained in use until transition to digital cinematography. After exposure every photograph is taken through pinch rollers inside of the instant camera. By Przeważnie spełniają swoje zadania, ale jakość obrazu, wykonanie i szybkość działania pozostawiają wiele do życzenia. For those willing to sacrifice a half-stop of speed for a somewhat smaller alternative, Yashica offered the Lynx 5000. Its unmissable highlight is an unusually fast f/1.4 fixed Yashinon lens, in a useful "wide normal" 45 mm focal length. Cameras that capture many images in sequence are known as movie cameras or as ciné cameras in Europe; those designed for single images are still cameras.
[d][6], Many flash units measure the light reflected from the flash to help determine the appropriate duration of the flash. When the flash is attached directly to the camera—typically in a slot at the top of the camera (the flash shoe or hot shoe) or through a cable—activating the shutter on the camera triggers the flash, and the camera's internal light meter can help determine the duration of the flash.[6][5]. Showing all 3 items Jump to: Summaries (3) Summaries .


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