各位,我设计一个广角镜头的时候发生了一些问题,不知道怎么解决.在这里请教 _3N,oCRm
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the image quality, except in those cases where the user is xXI WEZA
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interested only in the image of a point-like object. The ]]`[tVaFr
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image quality for the unacceptable fields varies significan- pFiE2V_aS
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tly over a lateral region of 12 Airy disk diameters.