找到參考資料了。 oTuOw|[
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From Smith, Modern Lens Design, 2nd ED, page 4 mFZ?hOyP.
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Are aspheric surfaces free of aberration? $+I;oHWI
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The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have byfJy^8G
no spherical aberration if the object point is at one focal point and the a)'5Nw9*
image is at the other. But if we depart from this condition we definitely 7[}xP#Z
do get spherical aberration. IDG}ZlG