Technically Speaking: Putting Bokeh in Focus: How Background Blur Can Be Both Good and Bad For Your Images

Bokeh is effective in macro shots and portraits, where the background blur accentuates sharp foreground details in your subject.
© Dan Havlik

The first time I came across a reference to bokeh in a lens review I found it a bit pretentious. Bokeh may sound like a Japanese dessert, but it’s actually the out-of-focus behavior of your lens. The term is said to come from the Japanese word “boke,” which translates as “blur” or, in some cases, “senility.” Confused? It’s understandable.

So why was bokeh being used in a lens review? If I was thinking of purchasing a new optic, I

source http://www.omnipopmag.com/2017/03/17/technically-speaking-putting-bokeh-in-focus-how-background-blur-can-be-both-good-and-bad-for-your-images/