The silky smooth bokeh ( background blur ) is a nice extra here 一个不可错过的镜头,一次不可错过的超广体验!
bokeh, the quality of the out-of-focus image, is determined by the set of brushes : the circles of confusion characteristic of the lens, its aperture and how far out-of-focus it is 失焦图像的质量,就决定于这组画笔的质量:镜头弥散特性的圆状区,镜头的光圈和失焦的程度。