FieldII关于聚焦算法的例程，共含有8种不同的的聚焦情况，给出了不同聚焦深度及不同焦点的仿真图。-FieldII on the focusing algorithm routines, containing a total of 8 different focusing conditions, different depth of focus and different focus of the simulation graph.

7栏JS焦点图代码,下载就可以用哦，这是最好的JS代码-Column 7 JS focus map code, can be downloaded oh, this is the best JS code

html页面，具有焦点图放大功能，点击其中一张图片会全屏展示出来-html page with an enlarged focus function, click on one of the images will be displayed in full screen