主要是看人家的操作步骤,想学命令的人请看，十分有用 1{% EQhNd
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Etj*3/n|
Display > View Lens (accept defaults, click OK, keep window open) SMQuJ_
In LDM spreadsheet, select surfaces 1 to Image MjG=6.J|`
Choose Edit > Default Variables, then click in any cell to unselect the range J[ UL
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Right click in each cell and choose Vary for , {7wvXP
Thickness of surfaces 1, 4, 6 :x97^.eW~
Glass of surfaces 1, 4, 6 kRskeMr:Rd
File > Save Lens i6r%;ueLb
Using Quick Analysis tool bar, click… GD|uU
Quick Spot Diagram (note scale) A0M)*9 f
Quick Ray Aberration Plot (note scale) @3[Z Q F
Quick Field Plot (note scales and maximum distortion value) KMznl=LF
Analysis > Diffraction > MTF e(BF=gesgp
Freq/Calc Tab: Maximum 68, Increment 17 2"nd(+ QH
Graphics tab: Max plot freq 68 _{,e-_hYM
Click OK (keep window open, tear off starting MTF graph for later comparison) m4ovppC
Optimization > Automatic Design 'M+iVF6
Output controls: Click Draw System button r,i^-jv;
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) E'$r#k:o
Specific constraints: -<}_K,Ky`
Click Insert Specific Constraint Iq_cs
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Default display is Optical Definitions, Effective Focal Length (correct choice) p[&'*"o!/
Enter 8.25 for Constraint Target YmHn*N }:U
Click OK. E/LR(d_
File > Save Lens As (new name, digcam20_opt.len) Gw 3|"14
Re-run View Lens window to see new lens picture. ?D\6CsNp(2
Re-run each of the Quick Analysis windows and note scales. v%V$@MF
Re-run the MTF window, compare to tear-off of starting point vN 7a)s
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以下直接复制到命令行即可出最终结果 J}KATpHs
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! Command inputs for Workshop 2-2 (for reference) ^Ebaq`{V\'
!Restore 20 Degree Digital Camera Lens Setup a)4.[+wnRf
!FILE > OPEN j$zw(EkN
RES digcam20_start.len F)lDK.
!Vary all radii curvature by right clicking in LDM and selecting VARY %`HAg MgP
!HINT: for curvatures highlight all and select vary. Then go back and O} QTg
!freeze stop surface radius. O~-#>a
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 >m T2g
!Vary all thicknesses by same method. Do not select surface with solve since GKtG#jZ&
!varying this surface will delete solve. If mistake, use UNDO or go to Gs.id^Sf
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve >&e|ins^N
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 I 8`@Srw8
THC S8 0 !Don't forget to vary the image distance which calculates best 0NZg[ >H
!best real-ray focus from paraxial image plane !iCY! :
!Vary glass by highlighting, right clicking, and selecting Vary qWtvo';3
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 .'p_j(uv
!Optimize OPTIMIZATION > AUTOMATIC DESIGN =wPl;SDf!
AUT hPx=3L$
EFL Z1 = 8.25 !Effective Focal Length Constraint 1Xt% O86
MNT 0.8 !Minimum Center Thickness General Constraint C P'?Om2
MNE 0.5 !Minimum Edge Thickness General Constraint WWc{]R^D
DRA S1..I YES !Draw a picture of lens system at each cycle a*NcL(OC
GO zOCru2/
!Reanalyze the system. Make sure to "Tear Off" original analysis before %-i2MK'A
!re-executing to compare optimized system ,F.\ z^\{
!Re-execute Drawing zm9>"(H
VIE +I 5@Gys
GO 4rc4}Yu,JI
!Re-execute MTF vEvVT]g[V
MTF 5"c#O U
MFR 68 `3SY~&X
IFR 17 I/<aY*R4
GO OCa74)(
!Re-execute Field (Distortion) Analysis 7 \rz*
FIE ?^Q!=W<7
GO bB- >\
!Save Lens FILE > SAVE LENS AS... n87 B[R
SAV digcam20_opt
