lens focal length是什么意思
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lens focal length是什么意思
![lens focal length是什么意思](/uploads/image/z/15888908-20-8.jpg?t=lens+focal+length%E6%98%AF%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D)
lens focal length
英[lenz ˈfəʊkəl leŋθ]
美[lɛnz ˈfokəl lɛŋkθ]
透镜焦距
[例句]The f-ratio describes the relationship between the lens diameter and the focal length and is calculated by dividing the focal length by the diameter of the lens.
光圈值描述了镜头直径和焦距的关系,焦距除以直径便是光圈值.
英[lenz ˈfəʊkəl leŋθ]
美[lɛnz ˈfokəl lɛŋkθ]
透镜焦距
[例句]The f-ratio describes the relationship between the lens diameter and the focal length and is calculated by dividing the focal length by the diameter of the lens.
光圈值描述了镜头直径和焦距的关系,焦距除以直径便是光圈值.