Pronounced "bo-kay," the bokeh effect refers to the out-of-focus background in a photo or video. Depending on camera type and distance to the object in focus, the bokeh effect is often ...

Bokeh is the name given to the out-of-focus blur that appears in the background of a photo. The wider the aperture of a lens (which refers to the f-stop number, like f/2) then the greater the ...