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- Exposure_value abstract "In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure have the same EV value (for any fixed scene luminance). Exposure value is also used to indicate an interval on the photographic exposure scale, with 1 EV corresponding to a standard power-of-2 exposure step, commonly referred to as a stop.The EV concept was developed in an attempt to simplify choosing among combinations of equivalent camera settings, by the German shutter manufacturer Friedrich Deckel (de) in the 1950s (Ray 2000, 318). Exposure value was originally indicated by the quantity symbol this symbol continues to be used in ISO standards, but the acronym EV is more common elsewhere.Although all camera settings with the same EV nominally give the same exposure, they do not necessarily give the same picture. The f-number (relative aperture) determines the depth of field, and the shutter speed (exposure time) determines the amount of motion blur, as illustrated by the two images at the right (and at long exposure times, as a second-order effect, the light-sensitive medium may exhibit reciprocity failure, which is a change of light sensitivity dependent on the irradiance at the film).".
- Exposure_value thumbnail High_speed03.jpg?width=300.
- Exposure_value wikiPageExternalLink subindex.asp?isbn=0240515404.
- Exposure_value wikiPageExternalLink subindex.asp?isbn=0240803434.
- Exposure_value wikiPageExternalLink shooting_modes.do.
- Exposure_value wikiPageExternalLink APEX.pdf.
- Exposure_value wikiPageExternalLink Light%20Intensity%20Chart.
- Exposure_value wikiPageID "210280".
- Exposure_value wikiPageRevisionID "606481755".
- Exposure_value hasPhotoCollection Exposure_value.
- Exposure_value subject Category:Photometry.
- Exposure_value subject Category:Science_of_photography.
- Exposure_value subject Category:Units_of_illuminance.
- Exposure_value type Abstraction100002137.
- Exposure_value type DefiniteQuantity113576101.
- Exposure_value type Measure100033615.
- Exposure_value type UnitOfMeasurement113583724.
- Exposure_value type UnitsOfIlluminance.
- Exposure_value comment "In photography, exposure value (EV) is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure have the same EV value (for any fixed scene luminance).".
- Exposure_value label "EV (fotografia)".
- Exposure_value label "Exposure value".
- Exposure_value label "Indice de lumination".
- Exposure_value label "Lichtwert".
- Exposure_value label "Valor de exposición".
- Exposure_value label "Valor de exposição".
- Exposure_value label "Valore di esposizione".
- Exposure_value label "Экспопара".
- Exposure_value label "曝光值".
- Exposure_value sameAs Lichtwert.
- Exposure_value sameAs Valor_de_exposición.
- Exposure_value sameAs Indice_de_lumination.
- Exposure_value sameAs Valore_di_esposizione.
- Exposure_value sameAs EV_(fotografia).
- Exposure_value sameAs Valor_de_exposição.
- Exposure_value sameAs m.01dv_9.
- Exposure_value sameAs Q560188.
- Exposure_value sameAs Q560188.
- Exposure_value sameAs Exposure_value.
- Exposure_value wasDerivedFrom Exposure_value?oldid=606481755.
- Exposure_value depiction High_speed03.jpg.
- Exposure_value isPrimaryTopicOf Exposure_value.
