摄影中的概念

景深

景深(DOF)是物体周围的对焦区。

在一般情况下,景深可以表示为浅或深。在浅景深的照片中,拍摄对 象清晰对焦、背景模糊且拍摄对象突出。与此相反,深景深照片具有 清晰对焦照片中的所有元素。

可以通过使用长焦镜头,或通过选择低光圈值创建具有浅景深的照 片。可以通过使用广角镜头,或通过选择高光圈值创建具有深景深的 照片。

什么控制未对焦效果?

景深取决于光圈值

低光圈值表示光圈具有宽开口。光圈越宽,景深就变得越浅。相反, 高光圈值表示光圈具有窄开口。光圈越窄,景深就变得越深。

50 mm F5.7

50 mm F22

浅景深深景深

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Samsung EV-NXF1ZZB2KHU manual 什么控制未对焦效果?, 景深(Dof)是物体周围的对焦区。, 低光圈值表示光圈具有宽开口。光圈越宽,景深就变得越浅。相反, 高光圈值表示光圈具有窄开口。光圈越窄,景深就变得越深。

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