找到參考資料了。 tV.qdy/]}
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From Smith, Modern Lens Design, 2nd ED, page 4 5\!t!FL_
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Are aspheric surfaces free of aberration? "-
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The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have c+S<U*
no spherical aberration if the object point is at one focal point and the @}K|/
image is at the other. But if we depart from this condition we definitely O2;iY_P7lV
do get spherical aberration. skaPC#u