ガイドナンバー (カメラ)
1. Guide numberThe guide number for an electronic flash measures its ability to illuminate the subject to be photographed at a specific film or sensor sensitivity and angle of view. A higher guide number indicates a more powerful flash. For example, doubling the guide number means the flash can illuminate an object at twice the distance, or for an object at the same distance can be used at one quarter the sensitivity.
Read “Guide number” on English Wikipedia
Read “ガイドナンバー (カメラ)” on Japanese Wikipedia
Read “Guide number” on DBpedia
Read “Guide number” on English Wikipedia
Read “ガイドナンバー (カメラ)” on Japanese Wikipedia
Read “Guide number” on DBpedia
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