Diyafram nedir?

Ne kadar şiddette ışık düşeceğini ayarlayan parçadır. (f) açıklığı olarak belirtilen diyafram sistemi belirli bir rakam standartına oturtulmuştur. Her bir değer arası 1 stoptur.
not: diyafram değerinin artması derinliği arttırır.

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