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以上来源于: WordNet
N the distance from a camera lens to the point beyond which all objects appear sharp and clearly defined 超焦距
Proper focusing is critical at night because small apertures are often impractical — therefore one cannot afford to waste mispositioning the depth of field (see hyperfocal distance).
在夜晚,合适的聚焦非常关键,因为小光圈常常不合实际。 因此,你不能错误地定位景深 (超焦距)。
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