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kimclps:下來(lái)看看。不過(guò)如果照度是決定於物方視場(chǎng)角的話,那麼,90度半視場(chǎng)角的魚(yú)眼鏡頭 Cvtz&dH 不就像面最大像高處照度等於零? #!]~E@;E (2013-05-16 23:23) fZ pUnc