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shallowyan:OV6920 CRA17.6° _`p-^I OV6930 CRA 0° +%j27~R>D [表情] (2011-06-13 10:25) `D|])^"{
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ccyc2010:每一款CMOS芯片都有自己的CRA曲線,這個(gè)曲線是我們選擇鏡頭和光學(xué)設(shè)計(jì)時(shí)必須參考的,也就是說(shuō)鏡頭的CRA一定要匹配芯片,否則偏差嚴(yán)重的會(huì)造成局部偏色或變暗,那么為什么CMOS芯片要有CRA的概念呢,是因?yàn)槊恳豢頒MOS芯片感光層上面還有一層微透鏡,起到收集光線的作用,而此micro l .. (2011-06-27 16:03) P~{8L.w!>W
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