主要是看人家的操作步骤,想学命令的人请看，十分有用 =j8g6# 'u
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Bb7Vf7>
Display > View Lens (accept defaults, click OK, keep window open) 7
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In LDM spreadsheet, select surfaces 1 to Image ;e Mb$px
Choose Edit > Default Variables, then click in any cell to unselect the range 2 '8I/>-
Right click in each cell and choose Vary for V# JuNJ
Thickness of surfaces 1, 4, 6 $~r=I[5'(
Glass of surfaces 1, 4, 6 6t4{aa!L|9
File > Save Lens jNAboSf2Y
Using Quick Analysis tool bar, click… ) Hqn
Quick Spot Diagram (note scale) `91?^T;\F
Quick Ray Aberration Plot (note scale) <\L=F8[
Quick Field Plot (note scales and maximum distortion value) &izk$~
Analysis > Diffraction > MTF z"Wyf6H0T
Freq/Calc Tab: Maximum 68, Increment 17 7+m.:~H3 }
Graphics tab: Max plot freq 68 ;eP. B/N
Click OK (keep window open, tear off starting MTF graph for later comparison) )Nl xW5
Optimization > Automatic Design G4"[ ynlWV
Output controls: Click Draw System button a'7RzN ,]
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Jy0(g T
Specific constraints: <'O|7.
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Click Insert Specific Constraint / 16 r_l
Default display is Optical Definitions, Effective Focal Length (correct choice) f4^\iZ{`G
Enter 8.25 for Constraint Target _p%@x :\
Click OK. r?WOum
File > Save Lens As (new name, digcam20_opt.len) %D[6; PT
Re-run View Lens window to see new lens picture.
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Re-run each of the Quick Analysis windows and note scales. jC'Diu4 |Q
Re-run the MTF window, compare to tear-off of starting point 67 wq8|
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以下直接复制到命令行即可出最终结果 3_Mynop
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! Command inputs for Workshop 2-2 (for reference) ?8$h%Ov-
!Restore 20 Degree Digital Camera Lens Setup ZV`o: Gd
!FILE > OPEN uD4$<rSHb
RES digcam20_start.len = ]0AZ
!Vary all radii curvature by right clicking in LDM and selecting VARY f:h<tlob
!HINT: for curvatures highlight all and select vary. Then go back and ?YnB:z*eV
!freeze stop surface radius. G V% @A
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 i",oPz7
!Vary all thicknesses by same method. Do not select surface with solve since 8o,"G}Hjk
!varying this surface will delete solve. If mistake, use UNDO or go to <2fvEW/#v
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 8LlWXeD9
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 34qfP{9!N
THC S8 0 !Don't forget to vary the image distance which calculates best (&qjY
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!best real-ray focus from paraxial image plane )IGx3+I
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!Vary glass by highlighting, right clicking, and selecting Vary %F] :nk`
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 3$ BYfI3H
!Optimize OPTIMIZATION > AUTOMATIC DESIGN :JzJ(q/
AUT \PK}4<x}
EFL Z1 = 8.25 !Effective Focal Length Constraint k#<Y2FJa
MNT 0.8 !Minimum Center Thickness General Constraint :SVWi}:Co1
MNE 0.5 !Minimum Edge Thickness General Constraint UvVq# < -
DRA S1..I YES !Draw a picture of lens system at each cycle 0zXF{5U p
GO Z|zT%8.8N
!Reanalyze the system. Make sure to "Tear Off" original analysis before kSO:xS0 _N
!re-executing to compare optimized system u]Dds;~"b
!Re-execute Drawing 3mXRLx=0>
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GO oqy}?<SQ
!Re-execute MTF 'h; x>r
MTF e ",0Er FT
MFR 68 @%[
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IFR 17 >Q|S#(c
GO PYW>
!Re-execute Field (Distortion) Analysis ?., 2EC=+
FIE x: 2 o$+v3
GO 9C\@10 D
!Save Lens FILE > SAVE LENS AS... .0]Odf :@
SAV digcam20_opt
