找到參考資料了。 []lMv
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2dsXG$-W2
From Smith, Modern Lens Design, 2nd ED, page 4 M^ZEAZi
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Are aspheric surfaces free of aberration? S>Z07d6 &
zMke}2
The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have k"3@G?JY
no spherical aberration if the object point is at one focal point and the [][ze2+b
image is at the other. But if we depart from this condition we definitely ?K\r-J!Y
do get spherical aberration. t|urvoz