主要是看人家的操作步骤,想学命令的人请看，十分有用 > )Qq^?U
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) />Zfx. Aj6
Display > View Lens (accept defaults, click OK, keep window open) m $[:J
In LDM spreadsheet, select surfaces 1 to Image ,s%+vD$O ^
Choose Edit > Default Variables, then click in any cell to unselect the range )2" g)9!
Right click in each cell and choose Vary for *j83E [(]
Thickness of surfaces 1, 4, 6 J ##a;6@
Glass of surfaces 1, 4, 6 O2 Y|<m
File > Save Lens @dK_ w 'W
Using Quick Analysis tool bar, click… do^=Oq07$
Quick Spot Diagram (note scale) uHquJQ4
Quick Ray Aberration Plot (note scale) [r 7Hcb
Quick Field Plot (note scales and maximum distortion value) Y qh-U%"'
Analysis > Diffraction > MTF :I?lT2+ea
Freq/Calc Tab: Maximum 68, Increment 17 +~F>:v?R h
Graphics tab: Max plot freq 68 1^NC=IS9z
Click OK (keep window open, tear off starting MTF graph for later comparison) ? XVE {N
Optimization > Automatic Design ,O.iOT0=;
Output controls: Click Draw System button + rB3\ R"d
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) nO 6 UlY
Specific constraints: kygj" @EX
Click Insert Specific Constraint mgjcA5z
Default display is Optical Definitions, Effective Focal Length (correct choice) L=#B >Eu
Enter 8.25 for Constraint Target L 8.A|
Click OK. D`41\#ti
File > Save Lens As (new name, digcam20_opt.len) z I9jxwXU
Re-run View Lens window to see new lens picture. nO`[C=|
Re-run each of the Quick Analysis windows and note scales. }duqX R
Re-run the MTF window, compare to tear-off of starting point +-t&li%F
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以下直接复制到命令行即可出最终结果 ' $yy
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! Command inputs for Workshop 2-2 (for reference) a>#$&&oQ0
!Restore 20 Degree Digital Camera Lens Setup 5<GeAW8ns]
!FILE > OPEN #bGYH N
RES digcam20_start.len L6qK3xa}
!Vary all radii curvature by right clicking in LDM and selecting VARY _G4 U
!HINT: for curvatures highlight all and select vary. Then go back and ;X ;x.pi
!freeze stop surface radius. LmsPS.It
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 8$JJI( {bH
!Vary all thicknesses by same method. Do not select surface with solve since 8M3DG=D
!varying this surface will delete solve. If mistake, use UNDO or go to h3>u[c X%
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve :L:] 3L
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 }n^}%GB
THC S8 0 !Don't forget to vary the image distance which calculates best Tl_o+jj
!best real-ray focus from paraxial image plane uUBUUr
!Vary glass by highlighting, right clicking, and selecting Vary ; gaTSYVe
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 =dKk #*
!Optimize OPTIMIZATION > AUTOMATIC DESIGN xV`)?hEXFh
AUT _^eA1}3
EFL Z1 = 8.25 !Effective Focal Length Constraint ~PpU' [
MNT 0.8 !Minimum Center Thickness General Constraint !eb{#9S*
MNE 0.5 !Minimum Edge Thickness General Constraint IO?a.L:6U
DRA S1..I YES !Draw a picture of lens system at each cycle #EKnjh=Uq
GO @/01MBs;
!Reanalyze the system. Make sure to "Tear Off" original analysis before bjj
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!re-executing to compare optimized system 4,)QV_?
!Re-execute Drawing kot KKs
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GO D@{m
!Re-execute MTF lzFg(Ds!f
MTF Ak`?,*L M
MFR 68 UK8k`;^KI
IFR 17 GXv2B%i8
GO X2~KNw
!Re-execute Field (Distortion) Analysis ex|)3|J
FIE rw@N=`4 P
GO 3!?QQT,!)
!Save Lens FILE > SAVE LENS AS... #N=_-
SAV digcam20_opt
