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A format designed by the
| Глоссарий терминов в фотографии |
Joint photographic experts group
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Joint photographic experts group, английский
- 1) объединенная экспертная группа по фотографии 2) алгоритм сжатия неподвижного изображения разработанный этой группой
- Графический стандарт, предназначается для хранения графических изображений с большой глубиной цвета. в баннерной рекламе jpeg используется, в основном, для передачи фотографических изображений.
- Joint photographic experts group, that allows files of coloured images to be compressed to a smaller digital file than if the full range of colours were to be saved. also .jpg as a computer file extension.
- Объединенная экспертная группа по фотографии; jpeg
- A raster graphics file format for displaying high-resolution color graphics on the world wide web. jpeg graphics apply a userspecified compression scheme that can significantly reduce the file sizes of photo-realistic color graphics. a higher level of compression results in lower quality, whereas a lower level of compression results in higher quality. jpeg-format files have a .jpg file name extension.
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Photographic, английский
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A system for quantifying the sensitivity (“speed”) of a photographic emulsion, or a solid-state digital-camera’s image sensor, to visible light. normally followed by a numerical value, e.g.: iso 100 or iso 64/19°. developed from the asa and the din system, английский
International organization for standardization
Aperture priority, английский
- Aperture priority mode (nikon, minolta, konica minolta, sony, olympus, sigma brands), same as av mode.
- A metering mode in which the photographer sets the desired lens aperture (f-stop) and the camera in turn automatically sets the appropriate shutter speed to match the scene being recorded. portrait photographers usually prefer wider apertures for shallower depth of field (dof), while landscape photographers prefer smaller apertures, which bring more of the scene into sharper focus. see shutter priority, below.
- An autoexposure mode in which the aperture is selected and the exposure system selects the appropriate shutter speed for a correct exposure. sometimes referred to as av or simply a on exposure mode controls.
- A mode in many digital cameras that allows users to adjust the aperture value to their own liking.
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