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2011-01-01 16:21 |
找到參考資料了。 <s8?
Z1 lmQ 6X From Smith, Modern Lens Design, 2nd ED, page 4 h1XMx'}B 9U)t@b Are aspheric surfaces free of aberration? cVay=5]. /u)Rppu The conic aspherics (e.g., paraboloid, ellipsoid, hyperboloid, and the sphere) have p08kZ no spherical aberration if the object point is at one focal point and the ~pevU`}Uqc image is at the other. But if we depart from this condition we definitely VkpHzr[k do get spherical aberration. 23-t$y]
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