主要是看人家的操作步骤,想学命令的人请看，十分有用 S3Q^K.e?
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) jx*jYil
Display > View Lens (accept defaults, click OK, keep window open) =QG@{?JTl
In LDM spreadsheet, select surfaces 1 to Image 3-^z<*
Choose Edit > Default Variables, then click in any cell to unselect the range 3QNu7oo
Right click in each cell and choose Vary for ']]C zze
Thickness of surfaces 1, 4, 6 9eG{"0)
Glass of surfaces 1, 4, 6 :xqhPr]e
File > Save Lens ,ddoII
Using Quick Analysis tool bar, click… _Z9H Ol@
Quick Spot Diagram (note scale) aNd6# yU$
Quick Ray Aberration Plot (note scale) ([v yY}43h
Quick Field Plot (note scales and maximum distortion value) TV&:`kH
Analysis > Diffraction > MTF O{YT6&.S0
Freq/Calc Tab: Maximum 68, Increment 17 D}.Pk>5
Graphics tab: Max plot freq 68 Fog4m=b`g
Click OK (keep window open, tear off starting MTF graph for later comparison) {w/{)B nPG
Optimization > Automatic Design e,*E`ol
Output controls: Click Draw System button v2Lx4:dzi
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) H[H+s!)"
Specific constraints: OAlV7cfD
Click Insert Specific Constraint Xaz`L
Default display is Optical Definitions, Effective Focal Length (correct choice) +OEheG8
Enter 8.25 for Constraint Target x?5D>M/Y
Click OK. G3Z>,"w;=
File > Save Lens As (new name, digcam20_opt.len) .X2fu/}
Re-run View Lens window to see new lens picture. }K<% h
Re-run each of the Quick Analysis windows and note scales. |_fmbG
Re-run the MTF window, compare to tear-off of starting point HhZ lHL
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以下直接复制到命令行即可出最终结果 ,drbj.0-
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! Command inputs for Workshop 2-2 (for reference) 3mmp5 d
!Restore 20 Degree Digital Camera Lens Setup idG}p+(;
!FILE > OPEN G&2UXr3
RES digcam20_start.len $-x@P9im
!Vary all radii curvature by right clicking in LDM and selecting VARY NFYo@kX>
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!HINT: for curvatures highlight all and select vary. Then go back and {DP% =4
!freeze stop surface radius. i \h"N K
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 kK62yz,
!Vary all thicknesses by same method. Do not select surface with solve since )\xDo<@
!varying this surface will delete solve. If mistake, use UNDO or go to . N:& {$o:
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 7 IEG%FY
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 $ G\IzK
THC S8 0 !Don't forget to vary the image distance which calculates best Nj p?/r
!best real-ray focus from paraxial image plane p'@| O q&
!Vary glass by highlighting, right clicking, and selecting Vary Bsr; MVD
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 htgtgW9
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN /=y _ # l
AUT u*W6fg/"
EFL Z1 = 8.25 !Effective Focal Length Constraint
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MNT 0.8 !Minimum Center Thickness General Constraint T6Oah:50EM
MNE 0.5 !Minimum Edge Thickness General Constraint j'\!p):H
DRA S1..I YES !Draw a picture of lens system at each cycle Ne!0 `^`~
GO t @ _MWF
!Reanalyze the system. Make sure to "Tear Off" original analysis before a;GuFnfn,
!re-executing to compare optimized system G8sxg&bf{
!Re-execute Drawing 3zr95$Mt
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GO W`vgH/lSnZ
!Re-execute MTF |(evDS5
MTF ?QbxC,& i
MFR 68 w6Owfq'v
IFR 17 fV>12ici
GO OrG1Mfx&2%
!Re-execute Field (Distortion) Analysis O 7})1|>1
FIE 2#y-3y<G
GO neLQ>WT
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!Save Lens FILE > SAVE LENS AS... ^yl)c
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SAV digcam20_opt
