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zebra:1. 因為光圈和鏡面重合時,主光線高度等於零。Seidel像差函數 0f3>s>`M 說明,此時非球面對彗差,像散,畸變都不產生作用。2. 非球面不影響場曲,與光圈是否與和鏡面重合都無關。....... (2016-01-14 00:00) !T~uxeZ/;
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