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2011-01-01 16:21 |
找到參考資料了。 =&HL z
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From Smith, Modern Lens Design, 2nd ED, page 4 LFp "Waiv
c`;\sW-_W
Are aspheric surfaces free of aberration? }Mc b\+[
T<AT&4
The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have %,$ n^{v
no spherical aberration if the object point is at one focal point and the U.%Kt,qB
image is at the other. But if we depart from this condition we definitely #/)t]&n
do get spherical aberration. !rvEo =^
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