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xiebin525:你怎么說(shuō)怎么是吧,我們笑笑就好啦! (2013-06-22 18:24) xxs +=.2
manbrott:設(shè)計(jì)上的問(wèn)題還是認(rèn)真對(duì)待為好,馬虎不得。第一片用樹(shù)脂非球面就值得商榷,塑膠的穩(wěn)定性很差,尤其是這么大口徑的鏡片,還承擔(dān)著這么重的像差,換成是我,絕對(duì)不會(huì)這么做的 (2013-06-22 21:15) LU;zpXg\
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