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Hyperfocal distance
| Глоссарий по фотографии |
- The nearest point in the scene which is in focus when the lens is focused at infinity. this distance changes according to the focal length of the lens and the aperture at which it is set. setting a lens at its hyperfocal distance maximizes the depth of field when infinity must be kept sharp.
- Often used by landscape photographers, it is the focus distance providing the the maximum amount of depth of field. older prime lenses for film cameras usually had hyperfocal distance marks to aid in finding this magic sweet spot. with today’s lenses it is possible to calculate, just takes a bit more work and a hyperfocal distance calculator.
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Гиперфокальное расстояние, русский
Минимальное расстояние от объектива до такой плоскости в пространстве предметов, при фокусировке на которую, задняя граница резко изображаемого пространства находится в бесконечности.
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Distance, французский
Distance, английский
- Дистанция, расстояние, дальность
- Дальность, дистанция, расстояние 193
- Дистанция, расстояние; дальность
- Расстояние, дальность, дистанция
- The light-subject distance not only controls fall-off, but also shadow quality and the effective size of the light. see: throw.
- Расстояние
- The run which a ship has made upon the log-board. in speaking of double stars, it is the space separating the centres of the two stars, expressed in seconds of arc. (see lunar distances.)
- Расстояние, дистанция; дальность; путь прохождения о ~ between
Distance (flight), английский
Distance - reading gyro- magnetic cokpass, английский
Distance - reading stellar compass, английский
Distance acuity, английский
The eye’s ability to distinguish an object’s shape and detail at a far distance, such as 20 feet (6 meters).
Distance along the edge that this deviation occurs., английский
Distance amplitude correction, английский
Compensation of gain as a function of time for difference in amplitude of reflections from equal reflectors at different sound travel distances. refers also to compensation by electronic means such as swept gain, time corrected gain, time variable gain and sensitivity time control.
Distance amplitude correction (ut), английский
Compensation for variance in amplitude from equal reflectors at different sound travel distances. the abbreviation is dac. also used to denote electronic change of amplification to provide equal amplitude from equal reflectors at different sound travel distances. other designations for this electronic change of amplification are swept gain (sg), time corrected gain (tcg), time variable gain (tvg) and sensitivity time control (stc).
Distance block, английский
A wood block which separates two components from each other at a fixed distance.
Distance blocks, английский
Distance constant, английский
The passage of air necessary over a wind speed sensor to cause the sensor to respond to 63% of a step function change in wind speed.
Distance cumulée, французский
Distance d'atterrissage nécessaire, французский
Distance d'atterrissage utilisable, французский
Distance de visibilité, французский
Distance de visibilite de calcul, французский
Distance dialing, английский
Дистанционный набор (номера); вызов удаленного абонента
Distance early warning identification zone, английский
Distance education, английский
Дистанционное образование distance fall-off дистанция ослабления
Distance exterieure (entre le point dintersection de deux tangentes successives et le point medial de la courbe), французский
Hyperfocal, английский
That distance at which a lens may be focused to produce satisfactory image quality over an extended range of object distances.
Calculator, латинский
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Minimum aperture, английский
The smallest opening a lens affords. generally, wide angle lenses have a minimum aperture of f/22; normal lenses of f/16; and telephoto lenses of f/32.
Warm tone, английский
The look or mood of a print or slide that tends toward the amber, or yellow/red. in black and white, a brown or sepia-toned print, or a brown-black printing paper.
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