These years,the the technology of design and production of zoom optical system has been mature, but which of the mobile zoom lens still have some difficulties because of the chi pink dazzle small space of it. According to our survey, there was still no batch of production which was researched by company of our own contry. Therefore, the research on the design of chi hair straightener mobile zoom lens make a great sense for our contry.The article anylysis the development and present status of the design and procuction of zoom optical system firstly, and forcast the trend of it. Then study the cheap polo shirts principle of zoom deeply,and introduce the pw method with which could count an ralph lauren polo shirts initial configuration,base on which ,programmes were workouted,and an example was established. More important,a auto optical design method was introduceded and a triple Lacoste Polo Shirts mobile zoom lens was designed through the method. The image quality is good on different focus position,and an appropriate cam curve was desigrled.Above all, the article proposed an integrate method of designing a zoom lens ,which makes practicle sense.
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