主要是看人家的操作步骤,想学命令的人请看，十分有用 zCA2X
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) =D(j)<9$A
Display > View Lens (accept defaults, click OK, keep window open) yauvXosX
In LDM spreadsheet, select surfaces 1 to Image h1 RSVp+?n
Choose Edit > Default Variables, then click in any cell to unselect the range 54,er$$V
Right click in each cell and choose Vary for xk5 ]^yDp
Thickness of surfaces 1, 4, 6 bD^o wa
Glass of surfaces 1, 4, 6 }vuARZ>
File > Save Lens Y2TtY ;
Using Quick Analysis tool bar, click… :0/ 7, i
Quick Spot Diagram (note scale) sA~]$A;DM!
Quick Ray Aberration Plot (note scale) b>W %t
Quick Field Plot (note scales and maximum distortion value) sKWfX Cd
Analysis > Diffraction > MTF i%/+5gq
Freq/Calc Tab: Maximum 68, Increment 17 B~mj 8l4
Graphics tab: Max plot freq 68 wzA$'+Mb
Click OK (keep window open, tear off starting MTF graph for later comparison) +|v90ed
Optimization > Automatic Design zA 3_Lx!
Output controls: Click Draw System button 1 zZlC# V
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 9$t( & z=
Specific constraints: hgmCRC
Click Insert Specific Constraint X vv6~
Default display is Optical Definitions, Effective Focal Length (correct choice) -=="<0c
Enter 8.25 for Constraint Target |pK !S
Click OK. M:8R -c#![
File > Save Lens As (new name, digcam20_opt.len) 1\Xw3prH
Re-run View Lens window to see new lens picture. 0s qFF[i
Re-run each of the Quick Analysis windows and note scales. }C:r 9? T
Re-run the MTF window, compare to tear-off of starting point ;gkM{={`p
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以下直接复制到命令行即可出最终结果 8}[).d160
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! Command inputs for Workshop 2-2 (for reference) Y73C5.dNcE
!Restore 20 Degree Digital Camera Lens Setup do%&m]# ;
!FILE > OPEN EPm/r
RES digcam20_start.len pRqx`5 }
!Vary all radii curvature by right clicking in LDM and selecting VARY j.Hf/vi`z
!HINT: for curvatures highlight all and select vary. Then go back and d$RIS+V
!freeze stop surface radius. NUZl`fu1Z4
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 p ?!/ +
!Vary all thicknesses by same method. Do not select surface with solve since 1^}+=~
!varying this surface will delete solve. If mistake, use UNDO or go to UZMd~ |
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve P?\6@_ Z
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 M7T5
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THC S8 0 !Don't forget to vary the image distance which calculates best b sX[UF
!best real-ray focus from paraxial image plane , hVli/
!Vary glass by highlighting, right clicking, and selecting Vary zdYj F|
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ?} 0 ,o.
!Optimize OPTIMIZATION > AUTOMATIC DESIGN KwS@D9bok
AUT +R &g qja
EFL Z1 = 8.25 !Effective Focal Length Constraint vt8By@]:
MNT 0.8 !Minimum Center Thickness General Constraint l ;W j]
MNE 0.5 !Minimum Edge Thickness General Constraint 2 nCA<&
DRA S1..I YES !Draw a picture of lens system at each cycle JI}'dU>*U:
GO Pal=F0-Q\
!Reanalyze the system. Make sure to "Tear Off" original analysis before \85i+q:LuA
!re-executing to compare optimized system
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!Re-execute Drawing WE?5ehEme
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GO +whDU 2 "
!Re-execute MTF Tbq;h ?D
MTF Upe%rC(
MFR 68 KPF1cJ2N
IFR 17 !zo{tI19
GO 2ESo2
!Re-execute Field (Distortion) Analysis %v|B *
FIE ";F'~}bDA
GO zfU{Kd
!Save Lens FILE > SAVE LENS AS... G[=c
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SAV digcam20_opt
