Bokeh

Bokeh is a photographic term referring to the appearance of out-of-focus areas in an image produced by a camera lens using a shallow depth of field. Different lens bokeh produces different aesthetic qualities in out-of-focus backgrounds, which are often used to reduce distractions and emphasize the primary subject.

Alien Skin Bokeh - this is plug-in for Photoshop, designed to draw attention to a particular object in the photo. With this supplement you can add effects to the image depth of field, make a stand, or emphasize the main object of other available means. Feature of the plug-in that it closely mimics the effect of blurring, which can be obtained using lenses.