Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 Ptv'.<-
兩者需要簡單轉換如下: 1^}I?PbqV
Tn#Co$<
SA = S1 / (2n'u') : 3rd order spherical aberration $ItjVc@U
TCO = 3S2 / (2n'u') : 3rd order tangential coma wwB3m&
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur MxIa,M<
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur rm,`M
PTB = S4 / (2n'u') : 3rd order Petzval blur ^!&6=rb
DST = S5 / (2n'u') : 3rd order distortion 7~mhWPzMwB
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration
:-46"bP.
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration S=(O6+U
AX = CL / (n'u') : Axial transverse chromatic aberration :pqUUZ6x&
LAT = CT / (n'u') : Transverse chromatic aberration ]]O( IC
PTZ = -S4 / H^2 : Petzval surface curvature k||t<&`Ze
+nDy b
上式中: vt|R)[,
n'是像空間折射率 >CqzC8JF
u'是邊緣光在像空間之傾斜角 USz~l7Xs
H 是光學不變量 ,RV
qYh(-|
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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。