A web application that allows you to figure out the depth of field of a camera lens. You can adjust the aperture, focal length, and distance to the subject to see how the depth of field changes. The application also shows the hyperfocal distance and the near and far limits of the depth of field.

一个网络应用程序，可让您计算出相机镜头的景深。您可以调整光圈、焦距和与拍摄对象的距离，以查看景深如何变化。该应用程序还显示了超焦距以及景深的近端和远端限制。