主要是看人家的操作步骤,想学命令的人请看，十分有用 {qb2!}FQ
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 18o5Gs;yx
Display > View Lens (accept defaults, click OK, keep window open)
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In LDM spreadsheet, select surfaces 1 to Image X^)v ZL?
Choose Edit > Default Variables, then click in any cell to unselect the range p>= b|Qy|
Right click in each cell and choose Vary for xMHu:,ND
Thickness of surfaces 1, 4, 6 aLO'.5
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Glass of surfaces 1, 4, 6 dr]Pns9
File > Save Lens @Q%<~b[y
Using Quick Analysis tool bar, click… > rid3~
Quick Spot Diagram (note scale) % SJFuw"
Quick Ray Aberration Plot (note scale) Rp_)LA
Quick Field Plot (note scales and maximum distortion value) #SqU>R
Analysis > Diffraction > MTF lFbf9s:$B
Freq/Calc Tab: Maximum 68, Increment 17 ;CLOZ{
Graphics tab: Max plot freq 68 # GOL%2X
Click OK (keep window open, tear off starting MTF graph for later comparison) evGUl~</~
Optimization > Automatic Design UpS7>c7s
Output controls: Click Draw System button r"&VG2c0K
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Q8^g WBc
Specific constraints: p vY BhTz0
Click Insert Specific Constraint N~+ e\K6
Default display is Optical Definitions, Effective Focal Length (correct choice) R>R8LIZZc
Enter 8.25 for Constraint Target rLp (}^
Click OK. ##BfI` FJ
File > Save Lens As (new name, digcam20_opt.len) H1-eMDe
Re-run View Lens window to see new lens picture. y8 $I=
Re-run each of the Quick Analysis windows and note scales. L'r gCOJ<
Re-run the MTF window, compare to tear-off of starting point ' oS= d
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以下直接复制到命令行即可出最终结果 T[ltOQw?Y
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! Command inputs for Workshop 2-2 (for reference) f8S! FGiNc
!Restore 20 Degree Digital Camera Lens Setup [(m+Ejzi%
!FILE > OPEN ?XB[awTD~
RES digcam20_start.len z~Is
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!Vary all radii curvature by right clicking in LDM and selecting VARY JXq l=/%
!HINT: for curvatures highlight all and select vary. Then go back and giORc
!freeze stop surface radius. 9qI#vH A
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 PdSYF JM
!Vary all thicknesses by same method. Do not select surface with solve since ' ?uwUBi
!varying this surface will delete solve. If mistake, use UNDO or go to ^!rAT1(/_
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 3NSX(gC%
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ]i
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THC S8 0 !Don't forget to vary the image distance which calculates best [( *?
!best real-ray focus from paraxial image plane PgdHH:v)
!Vary glass by highlighting, right clicking, and selecting Vary 36UUt!}p
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 \^x`GsVy
!Optimize OPTIMIZATION > AUTOMATIC DESIGN D|D) 782
AUT 9 y?) Ga
EFL Z1 = 8.25 !Effective Focal Length Constraint ,f}u|D 3@
MNT 0.8 !Minimum Center Thickness General Constraint ,*CP G$L
MNE 0.5 !Minimum Edge Thickness General Constraint >!W H%J
DRA S1..I YES !Draw a picture of lens system at each cycle |OBh :d_B]
GO
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!Reanalyze the system. Make sure to "Tear Off" original analysis before "ifv1KZ#
!re-executing to compare optimized system SaFNPnk=
!Re-execute Drawing 1"f)\FPG e
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GO x Tf|u
!Re-execute MTF D\^\_r):
MTF 7UsU03
MFR 68 cf,^7,-`"
IFR 17 6h?)x
GO <lTLz$QE
!Re-execute Field (Distortion) Analysis w7Ij=!)
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GO Mb=j'H<N@
!Save Lens FILE > SAVE LENS AS... 8 `}I]
SAV digcam20_opt
