Bokeh. This term evokes much debate on the internet. What exactly is bokeh anyway ? Bokeh, for me, is simply the rendition of out of focus areas of a photograph. Although some people claim it makes no difference to a photograph, I disagree with a passion. Many images are enhanced by "good" bokeh, and others are spoiled by bad bokeh. Bokeh was brought to the forefront of everyone's attention by Harold M. Merklinger in an article published May/June 1997. Here is that article.