找到參考資料了。 rgv$MnG
UWgPQ%}
From Smith, Modern Lens Design, 2nd ED, page 4 MR":aT
=VSUE
Pq
Are aspheric surfaces free of aberration? (Kkqyrb
zM%2h:*+{
The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have mnYzn[d3U
no spherical aberration if the object point is at one focal point and the !J}Q%i
image is at the other. But if we depart from this condition we definitely +o6"Z)
do get spherical aberration. {tXyz[;i1}