光圈系数，光圈值 - guang quan xi shu, guang quan zhi

translations in German

• F-Blende

translations in English

• f-stop

translations in Spanish

• abertura geométrica

translations in French

• ouverture géométrique

• diaphragme géométrique

translations in Italian

• apertura

translations in Polish

• przesłona

translations in Portuguese

• diafragma

translations in Russian

• диафрагменное число

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