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Pre-flashing
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Pre-flashing : ウィキペディア英語版
Pre-flashing

In cinematography and photography, pre-flashing is the exposure of the film or other photosensor to uniform light prior to exposing it to the scene to be imaged. This adds a bias to the overall light input recorded by the sensor.
It is sometimes used for artistic effects, as it can be used to add a colour cast to shadows without significantly affecting highlights.
It is also used in fields such as astronomy to bias CCD image sensors into a linear region, improving their low-light sensitivity.
== See also ==

* Photographic hypersensitization
* Pre-flash metering


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Pre-flashing」の詳細全文を読む



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