主要是看人家的操作步骤,想学命令的人请看，十分有用 "N|gU;~W
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) mF|7:zSo
Display > View Lens (accept defaults, click OK, keep window open) y&$mN
In LDM spreadsheet, select surfaces 1 to Image /<\B8^y Q
Choose Edit > Default Variables, then click in any cell to unselect the range mR OXwzL
Right click in each cell and choose Vary for Lh"!Z
Thickness of surfaces 1, 4, 6 Gl+Ql?|
Glass of surfaces 1, 4, 6 <o\2-fWvY
File > Save Lens qq)Dh'5*e,
Using Quick Analysis tool bar, click… lM<SoC;[
Quick Spot Diagram (note scale) m3La;%aA0
Quick Ray Aberration Plot (note scale) t mCm54
Quick Field Plot (note scales and maximum distortion value) 0."TSe83\
Analysis > Diffraction > MTF [^U#ic>cT
Freq/Calc Tab: Maximum 68, Increment 17 kDrqV{_
Graphics tab: Max plot freq 68 `k>h2(@9S
Click OK (keep window open, tear off starting MTF graph for later comparison) RH+'"f
Optimization > Automatic Design h kh b8zS
Output controls: Click Draw System button BgzER[g|q{
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) iyRB} [y
Specific constraints: 8\85Wk{b
Click Insert Specific Constraint &?-LL{W{
Default display is Optical Definitions, Effective Focal Length (correct choice) D~< 3
Enter 8.25 for Constraint Target 2I 2#o9(Ar
Click OK. axRzn:f
File > Save Lens As (new name, digcam20_opt.len) 6"d^4L?
Re-run View Lens window to see new lens picture. E>BP b
Re-run each of the Quick Analysis windows and note scales. | Q
Y_ci
Re-run the MTF window, compare to tear-off of starting point }WN0L?h.E
---------------------------------------------------------------------------------------------- I1H} 5 bf3
以下直接复制到命令行即可出最终结果 ed,w-;(n~
---------------------------------------------------------------------------------------------- :uAW
! Command inputs for Workshop 2-2 (for reference) ,@_$acm
!Restore 20 Degree Digital Camera Lens Setup S_z }h
!FILE > OPEN , C#Mf@b
RES digcam20_start.len Bh9 O<|E
!Vary all radii curvature by right clicking in LDM and selecting VARY yAu-BObD
!HINT: for curvatures highlight all and select vary. Then go back and hLVS}HE2
!freeze stop surface radius. FN#6pM']|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 @$5GxIw<l
!Vary all thicknesses by same method. Do not select surface with solve since MI|51&m
!varying this surface will delete solve. If mistake, use UNDO or go to
k~(j
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve =sqh PS<>
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 AnbY<&OC1
THC S8 0 !Don't forget to vary the image distance which calculates best B%v2)+?@
!best real-ray focus from paraxial image plane 3~e"CKD>
!Vary glass by highlighting, right clicking, and selecting Vary <p48?+K9
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 [e2sUO0~r
!Optimize OPTIMIZATION > AUTOMATIC DESIGN p < fKj
AUT scky G
EFL Z1 = 8.25 !Effective Focal Length Constraint -fl?G%:(!0
MNT 0.8 !Minimum Center Thickness General Constraint @#T*OH
MNE 0.5 !Minimum Edge Thickness General Constraint $B6"fYiDk
DRA S1..I YES !Draw a picture of lens system at each cycle rf+'U9
GO wW3fsX u
!Reanalyze the system. Make sure to "Tear Off" original analysis before c2}?[\U]
!re-executing to compare optimized system {gE19J3
!Re-execute Drawing >K {/ Jx&
VIE iOB]72d h
GO *E<%db C 2
!Re-execute MTF `U4R%
qhWA
MTF ^A8'YTl
MFR 68 G>?hojvi
IFR 17 ckqU2ETpD}
GO "_qH+ =_R
!Re-execute Field (Distortion) Analysis u,:GJU
FIE ~q]+\qty4
GO 7qB}Hvh
!Save Lens FILE > SAVE LENS AS... _y}]j;e8>{
SAV digcam20_opt
