Visual lens tool

Bokeh Simulator

See how a wider aperture, longer lens and greater background distance change subject separation.

Build your shot

Start with a preset or adjust the five controls.

Sensor format

Focal length 50 mm

Aperture f/2.8

Focus distance 3.0 m

Subject to background 5.0 m

50mm · f/2.8 · Full Frame

Your subject is sharp with a softly separated background.

Near focus—

Far focus—

Total depth—

Field of view—

How we calculate it

What creates stronger background blur?

Move closer to the subject, move the background farther away, use a wider aperture or choose a longer focal length. Real bokeh character also depends on the optical design of the lens.