So what is Bokeh? Well, the word comes from the Japanese term "boke" (bo-keh) which means fuzziness. Bokeh describes the character of the blur in an image, but is often used specifically to refer to points of light rendered as fuzzy circles. These "circles of confusion" come from points of light not being perfectly focused. You know when you're taking a picture of your friend at night, and the lights in the background go fuzzy? That's it! Having a beautifully blurred background can help focus attention on the foreground.
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