找到參考資料了。 )s1W)J?8
\;&9h1?Mn
From Smith, Modern Lens Design, 2nd ED, page 4 &!#,p{}ccU
TTpK8cC
Are aspheric surfaces free of aberration? QPg M<ns
hv te)
The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have ]N}80*Rl
no spherical aberration if the object point is at one focal point and the to9
u%d 8
image is at the other. But if we depart from this condition we definitely *A.E?9pL\
do get spherical aberration. D
Cx3_