Code V 給的是垂軸像差,Zemax 給的是Seidel像差係數 |>Pz#DCy
兩者需要簡單轉換如下: Wn&9R
j
FZtT2Z4&i
SA = S1 / (2n'u') : 3rd order spherical aberration EAV6qW\r5]
TCO = 3S2 / (2n'u') : 3rd order tangential coma z-^/<u1p
TAS = (3S3+S4) / (2n'u') : 3rd order tangential astigmatic blur d#|%h]
6
SAS = ( S3+S4) / (2n'u') : 3rd order sagittal astigmatic blur iz3Hoj
PTB = S4 / (2n'u') : 3rd order Petzval blur z[l_<`J$9
DST = S5 / (2n'u') : 3rd order distortion 5h6-aQU[
SAbar= S6 / (2n'ub') : 3rd order pupil spheircal aberration 5I[6 "o0
dLFC = -CL / (n'u'^2) : Longitudinal chromatic aberration 11RqP:zg
AX = CL / (n'u') : Axial transverse chromatic aberration }c=YiH,o
LAT = CT / (n'u') : Transverse chromatic aberration R~BFZF>:
PTZ = -S4 / H^2 : Petzval surface curvature zqxN/H]z
Sobp;OZ5
上式中: Ls'8
n'是像空間折射率 :PNhX2F
u'是邊緣光在像空間之傾斜角 F]cc?r312
H 是光學不變量 B C R]K
,15$$3z /E
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。