13821408-n 'the ratio of the focal length to the diameter of a (camera) lens system';
 
Czech clonové číslo
Chinese (simplified) 焦距比数 , 孔径焦距比 , 焦比 , 曝光 速率 , 焦距 比数 , 孔径 焦距 比 , 曝光速率
Inggeris speed , focal ratio , f number , stop number
Bahasa Indonesia kelajuan
Japanese Fナンバー
Bahasa Malaysia kelajuan
Definitions
Japanese
焦点距離と（カメラ）レンズの直径の比
Inggeris
the ratio of the focal length to the diameter of a (camera) lens system
Relations
Hypernym: ratio
Semantic Field: relationn
External Links
 

Langs:
Seen Lemmas: teka;
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