Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 i,'~Ds
兩者需要簡單轉換如下:
r2G<::<zL
vl<J-+|0C
SA = S1 / (2n'u') : 3rd order spherical aberration jhLh~.
8
TCO = 3S2 / (2n'u') : 3rd order tangential coma $sJn:
8z
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur &a`-NRU#
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur ?,j:Y0l.L
PTB = S4 / (2n'u') : 3rd order Petzval blur dZW:Cf 9K
DST = S5 / (2n'u') : 3rd order distortion *s^5BLI9
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration v!,O7XGH~
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration +K?h]v]%
AX = CL / (n'u') : Axial transverse chromatic aberration F,sT[C
LAT = CT / (n'u') : Transverse chromatic aberration z+b~#f3
PTZ = -S4 / H^2 : Petzval surface curvature /dfZ>k8
G 1$l %B
上式中: $3L7R
n'是像空間折射率 &l Q j?]
u'是邊緣光在像空間之傾斜角 tT 7$2 9
H 是光學不變量 4Qdg t*
&[YG\8sxWa
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。