Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 |=&cQRY!p
兩者需要簡單轉換如下: T0&f8
C-iK$/U
SA = S1 / (2n'u') : 3rd order spherical aberration ;]_o4e6\p
TCO = 3S2 / (2n'u') : 3rd order tangential coma A^p[52`
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur
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SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur Y5F]:gs@
PTB = S4 / (2n'u') : 3rd order Petzval blur _6wFba@>/n
DST = S5 / (2n'u') : 3rd order distortion w:
>5=mfk
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration +|tC'gCnV
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration @-+Q#
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AX = CL / (n'u') : Axial transverse chromatic aberration ^a#X9
LAT = CT / (n'u') : Transverse chromatic aberration RIIitgV_
PTZ = -S4 / H^2 : Petzval surface curvature Y +Fljr*
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s
上式中: YfRkwKjy(
n'是像空間折射率 C:Hoq(
u'是邊緣光在像空間之傾斜角 y~75r\"R
H 是光學不變量 s+Q~~]HJM
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另外,不同軟體及書本對Seidel像差係數的定義可能差一負號,請小心。