Jisho

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Noun
1. depth of focus
Wikipedia definition
2. Depth of focusDepth of focus is a lens optics concept that measures the tolerance of placement of the image plane (the film plane in a camera) in relation to the lens. In a camera, depth of focus indicates the tolerance of the film's displacement within the camera, and is therefore sometimes referred to as "lens-to-film tolerance."
Read “Depth of focus” on English Wikipedia
Read “焦点深度” on Japanese Wikipedia
Read “Depth of focus” on DBpedia

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