фотометрическая апертура

translations in German

• Transissionsblende/ T-Blende

translations in English

• effective aperture

• t-stop

translations in Spanish

• abertura fotométrica

translations in French

• ouverture photométrique

• diaphragme photométrique

translations in Italian

• apertura fotometrica

translations in Portuguese

• diafragma óptico

translations in Russian

• прозрачность объектива

translations in Chinese

• 实际光圈 - shi ji guang quan

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