Lens Lab

The scene, seen with the lens in it

Drag to orbit. Hover an object for its blur.

The 3D view needs WebGL 2, which this browser did not provide. The drawing of the lens, the readouts and the controls below still work.

On the sensor, upside down. Lamps out of focus spread into discs shaped by the iris.

Inside the lens

The prescription

Focus
Aperture