Coarse bokeh on a photo shot with an 85 mm lens and 70 mm entrance pupil diameter, which corresponds to f/1.2 An example of a portrait photo (of Katherine Maher). Note the 'swirly' bokeh. How the bokeh varies with the aperture. In photography, bokeh (/ˈboʊkə/ BOH-kə or /ˈboʊkeɪ/ BOH-kay;[1] Japanese: [boke]) is the aesthetic quality of the blur produced in out-of-focus parts of an image, whether f
![Bokeh - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/bb0fef6107a93b85f700c889c6a3574afde370b2/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2F8%2F8a%2FJosefina_with_Bokeh.jpg)