主要是看人家的操作步骤,想学命令的人请看，十分有用 D]P_tJI
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) te<lCD6
Display > View Lens (accept defaults, click OK, keep window open) [wLK*9@&
In LDM spreadsheet, select surfaces 1 to Image > ^fpQG
Choose Edit > Default Variables, then click in any cell to unselect the range 5*~]=(BE
Right click in each cell and choose Vary for s|cL
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Thickness of surfaces 1, 4, 6 ygN4%- [XA
Glass of surfaces 1, 4, 6 pbXh}YJ&
File > Save Lens ;$il_xA)\>
Using Quick Analysis tool bar, click… f3[/zcm;
Quick Spot Diagram (note scale) Tgf\f%,h
Quick Ray Aberration Plot (note scale) AlVB hR`
Quick Field Plot (note scales and maximum distortion value) *_ qLLJg
Analysis > Diffraction > MTF mi`jY0e2
Freq/Calc Tab: Maximum 68, Increment 17 w$`[C+L
Graphics tab: Max plot freq 68 CyHaFUbZ
Click OK (keep window open, tear off starting MTF graph for later comparison) 6=aXz2 .f
Optimization > Automatic Design b23 5Zm
Output controls: Click Draw System button %U< 1]
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) /Wx({N'h$
Specific constraints: QDHTP|2e
Click Insert Specific Constraint o@5zf{-
Default display is Optical Definitions, Effective Focal Length (correct choice) Z)Zc9SVC
Enter 8.25 for Constraint Target i 6DcLE
Click OK. Yg~$ 1b@
File > Save Lens As (new name, digcam20_opt.len) X5Fi
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Re-run View Lens window to see new lens picture. > 508-)'
Re-run each of the Quick Analysis windows and note scales. eBN!!Y:7
Re-run the MTF window, compare to tear-off of starting point VhfM j|
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以下直接复制到命令行即可出最终结果 CAJ]@P#Xj+
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! Command inputs for Workshop 2-2 (for reference) R? D c*,
!Restore 20 Degree Digital Camera Lens Setup ' v~%rhq3
!FILE > OPEN lL$no7HBy
RES digcam20_start.len #X`qkW.T<
!Vary all radii curvature by right clicking in LDM and selecting VARY 141G~@-
!HINT: for curvatures highlight all and select vary. Then go back and >[qoNy;
!freeze stop surface radius. BY KONZu
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 lx H3a :gm
!Vary all thicknesses by same method. Do not select surface with solve since .@k jC4m
!varying this surface will delete solve. If mistake, use UNDO or go to " <=HmE-;
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve yh'uH
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 R2Y.s^
THC S8 0 !Don't forget to vary the image distance which calculates best yh'P17N|q
!best real-ray focus from paraxial image plane r9vO(m~
!Vary glass by highlighting, right clicking, and selecting Vary {;2Gl $\r
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 >u0B ~9_E
!Optimize OPTIMIZATION > AUTOMATIC DESIGN H[e=^JuD
AUT Ia%S=xU{=
EFL Z1 = 8.25 !Effective Focal Length Constraint p * Q *}V
MNT 0.8 !Minimum Center Thickness General Constraint ETMF.-P
MNE 0.5 !Minimum Edge Thickness General Constraint 7l H.>n
DRA S1..I YES !Draw a picture of lens system at each cycle [vNaX%o
GO /4 M~ 6LT`
!Reanalyze the system. Make sure to "Tear Off" original analysis before ,?KN;~t#vz
!re-executing to compare optimized system .dQEr~f #}
!Re-execute Drawing 5<RZ ht$i
VIE wj$WE3Y
GO D>`lN
!Re-execute MTF _9 B ^@~
MTF 5f- eWW]!
MFR 68 Fs 95^T
IFR 17 vd FP ^06
GO *f*o
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!Re-execute Field (Distortion) Analysis F4|U \,g
FIE )Zbrg~-@
GO 0<$t9:dq
!Save Lens FILE > SAVE LENS AS... c>)_ I
SAV digcam20_opt
