散景的概念与原理最近网络上流行着一种摄影的魔幻套件,美国进口,由21种样式各异的散景滤镜组成,叫Bokeh kit。Bokeh即散景,该词源自日本,英语念Boke,顾名思义,意为松散的景深外,也就是焦外模糊的景。两千多年前的《墨经》曾记录过小孔成像原理,其成像的方向与实际物体相反,以蜡烛为例,当中间带孔的遮挡板与被摄物体距离太远或者太近,所成之像都是松散的焦外成像。在 Concept and Principle of Bokeh Recently, there is a magical suite of photography popular on the Internet. It is imported from the United States and consists of 21 different style bokeh filters called the Bokeh kit. Bokeh that bokeh, the word from Japan, English read Boke, as the name implies, meaning loose depth of field, that is, blurred outside the bokeh. Two thousand years ago, “Mojing” had recorded the principle of pinhole imaging. The imaging direction was the opposite of the actual object. Take a candle as an example. When the hole with a hole in the middle is too far or too close to the object, The resulting image is a loose coke image. in