主要是看人家的操作步骤,想学命令的人请看，十分有用 DGRXd#
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) m}C>ti`VD
Display > View Lens (accept defaults, click OK, keep window open) `nUXDmdwzO
In LDM spreadsheet, select surfaces 1 to Image VU#`oJ:{
Choose Edit > Default Variables, then click in any cell to unselect the range bfFeBBi
Right click in each cell and choose Vary for R_ B7EP
Thickness of surfaces 1, 4, 6 T5R-B=YWu
Glass of surfaces 1, 4, 6 *F+KqZ.2
File > Save Lens uW=k K0E
Using Quick Analysis tool bar, click… 6g2a[6G5
Quick Spot Diagram (note scale) tClg*A;|B
Quick Ray Aberration Plot (note scale) HguT"%iv
Quick Field Plot (note scales and maximum distortion value) QqDC4+ p"
Analysis > Diffraction > MTF Ok|*!!T
Freq/Calc Tab: Maximum 68, Increment 17 y <?kzt
Graphics tab: Max plot freq 68 ~FZ&.<s
Click OK (keep window open, tear off starting MTF graph for later comparison) tWJZoD 6}h
Optimization > Automatic Design n4s+>|\M
Output controls: Click Draw System button F0pir(n-
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ]%hn`ZJ
Specific constraints: m!gz3u]rN
Click Insert Specific Constraint
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Default display is Optical Definitions, Effective Focal Length (correct choice) |WQBD B`W
Enter 8.25 for Constraint Target a+[RS]le
Click OK. x/NfZ5e0X
File > Save Lens As (new name, digcam20_opt.len) ,KF 'TsFf
Re-run View Lens window to see new lens picture. !F*5M1Kjd
Re-run each of the Quick Analysis windows and note scales. q]\:P.x!>
Re-run the MTF window, compare to tear-off of starting point viW!,QQ(S
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以下直接复制到命令行即可出最终结果 O_2pIbh
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! Command inputs for Workshop 2-2 (for reference) |EIng0a
!Restore 20 Degree Digital Camera Lens Setup TC N8a/@z
!FILE > OPEN ?[VM6- &
RES digcam20_start.len 1A ?W:'N
!Vary all radii curvature by right clicking in LDM and selecting VARY ~xbe~$$Q@
!HINT: for curvatures highlight all and select vary. Then go back and b[ sx_b
!freeze stop surface radius. &#o~U$GBg
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 O%Scjm-^X
!Vary all thicknesses by same method. Do not select surface with solve since 'OE&/
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!varying this surface will delete solve. If mistake, use UNDO or go to
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Nu0C ; B66
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 e
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THC S8 0 !Don't forget to vary the image distance which calculates best %r<rcY
!best real-ray focus from paraxial image plane Z EXc %- M
!Vary glass by highlighting, right clicking, and selecting Vary .\\DKh%
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 !lREaSM
!Optimize OPTIMIZATION > AUTOMATIC DESIGN GX)u|g
AUT jk"`Z< j~
EFL Z1 = 8.25 !Effective Focal Length Constraint ~t@cO.c
MNT 0.8 !Minimum Center Thickness General Constraint xVf| G_5$
MNE 0.5 !Minimum Edge Thickness General Constraint dah[:rP,n{
DRA S1..I YES !Draw a picture of lens system at each cycle GSY(
GO Kh"?%ZIa
!Reanalyze the system. Make sure to "Tear Off" original analysis before QgrpBG
!re-executing to compare optimized system T!-\@PB !
!Re-execute Drawing F;>V>" edl
VIE iMt:9|yF}8
GO 00<cYy
!Re-execute MTF Jz?j[
MTF \@- @Y
MFR 68 xqXo0
IFR 17 *w$W2I>b7
GO (ScxLf=]
!Re-execute Field (Distortion) Analysis n+!
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FIE 7WZrSC
GO g6W)4cC8a
!Save Lens FILE > SAVE LENS AS... fs|)l$Rd
SAV digcam20_opt
