找到參考資料了。 f&D]anf33
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From Smith, Modern Lens Design, 2nd ED, page 4 Q%aU42?_1
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Are aspheric surfaces free of aberration? U}SXJH&&E
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The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have ob_I]~^I?|
no spherical aberration if the object point is at one focal point and the ^TB>.c@ `*
image is at the other. But if we depart from this condition we definitely B^D(5
do get spherical aberration. Jx#k,Z4