主要是看人家的操作步骤,想学命令的人请看，十分有用 ,^MW)Gf<
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) &[?u1qQ%o
Display > View Lens (accept defaults, click OK, keep window open) "C$!mdr7
In LDM spreadsheet, select surfaces 1 to Image s,UN'~e1
Choose Edit > Default Variables, then click in any cell to unselect the range &+E'1h10
Right click in each cell and choose Vary for GW>7R 6i
Thickness of surfaces 1, 4, 6 |QAeQWP+1
Glass of surfaces 1, 4, 6 4
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File > Save Lens "!%w9
Using Quick Analysis tool bar, click… veYsctK~
Quick Spot Diagram (note scale) aBqe+FXp4
Quick Ray Aberration Plot (note scale) ]MqH13`)A
Quick Field Plot (note scales and maximum distortion value) |d/x~t=
Analysis > Diffraction > MTF ,? 0-=o
Freq/Calc Tab: Maximum 68, Increment 17 IyG =
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Graphics tab: Max plot freq 68 ooLnJ Y#
Click OK (keep window open, tear off starting MTF graph for later comparison) AiyvHt
Optimization > Automatic Design cXLV"d
Output controls: Click Draw System button PBxK>a
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) P`Hd*xh".j
Specific constraints: 5UrXVdP
Click Insert Specific Constraint C>w9
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Default display is Optical Definitions, Effective Focal Length (correct choice) X] JpS
Enter 8.25 for Constraint Target p:[`%<j0
Click OK. ADLa.{
File > Save Lens As (new name, digcam20_opt.len) ;+r ) j"W
Re-run View Lens window to see new lens picture. )Anl FO+V
Re-run each of the Quick Analysis windows and note scales. Ac5 o K
Re-run the MTF window, compare to tear-off of starting point wZ]BY;
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以下直接复制到命令行即可出最终结果 L#7)X5a__
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! Command inputs for Workshop 2-2 (for reference) S1H47<)UF
!Restore 20 Degree Digital Camera Lens Setup Kh:#S|
!FILE > OPEN e\d5SKY
RES digcam20_start.len Xv A0nEi
!Vary all radii curvature by right clicking in LDM and selecting VARY G!e}j
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!HINT: for curvatures highlight all and select vary. Then go back and sl^s9kx;C$
!freeze stop surface radius. \4\\575zp'
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 E+^} B/"
!Vary all thicknesses by same method. Do not select surface with solve since (2O} B.6
!varying this surface will delete solve. If mistake, use UNDO or go to 2vh!p ez_
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve BqLtTo ?'
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 8CnI%_Su
THC S8 0 !Don't forget to vary the image distance which calculates best 7+D'W 7Yx
!best real-ray focus from paraxial image plane |oBdr yi
!Vary glass by highlighting, right clicking, and selecting Vary /,rF$5G,
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 aV?}+Y{#
!Optimize OPTIMIZATION > AUTOMATIC DESIGN mf*9^}l+Zn
AUT Lilk8|?#W
EFL Z1 = 8.25 !Effective Focal Length Constraint ^O$[Y9~*
MNT 0.8 !Minimum Center Thickness General Constraint ~P]HG;$?n
MNE 0.5 !Minimum Edge Thickness General Constraint shDt&_n
DRA S1..I YES !Draw a picture of lens system at each cycle I7G\X#,iz
GO 6wpND|cT
!Reanalyze the system. Make sure to "Tear Off" original analysis before wCq)w=,
!re-executing to compare optimized system TN |{P
!Re-execute Drawing YA;8uMqh;
VIE WnJLX ^;
GO &aevR^f+
!Re-execute MTF f 1]AfH#
MTF YzhN |!;!k
MFR 68 W3 o }.|]
IFR 17 U3_yE vZ
GO uG(~m_7Hx
!Re-execute Field (Distortion) Analysis llZ"uTK\M
FIE bW
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GO <_sT]?N #
!Save Lens FILE > SAVE LENS AS... *nsnX/e(-
SAV digcam20_opt
