找到參考資料了。 F,bl>;{[{
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From Smith, Modern Lens Design, 2nd ED, page 4 8?$2;uGL
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Are aspheric surfaces free of aberration? GB=q}@&8p
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The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have )eFK@goGeb
no spherical aberration if the object point is at one focal point and the #.@=xhK/
image is at the other. But if we depart from this condition we definitely Yc$|"to
do get spherical aberration. M Q6Y^,B