找到參考資料了。 yER(6V'\iQ
^"E^zHM(
From Smith, Modern Lens Design, 2nd ED, page 4 Q;Ak4[
+tB=OwU%0
Are aspheric surfaces free of aberration? rDtY[
}f%} v
The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have C-xr"]#]
no spherical aberration if the object point is at one focal point and the *9
{PEx
image is at the other. But if we depart from this condition we definitely 7lTC{7C57
do get spherical aberration. 5; C|