主要是看人家的操作步骤,想学命令的人请看，十分有用 p}h)WjC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) gG#M-2 P
Display > View Lens (accept defaults, click OK, keep window open) + 5 05
In LDM spreadsheet, select surfaces 1 to Image kw!! 5U;7
Choose Edit > Default Variables, then click in any cell to unselect the range
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Right click in each cell and choose Vary for x]F:~(P
Thickness of surfaces 1, 4, 6 #zfBNkk &@
Glass of surfaces 1, 4, 6 F&ux9z P
File > Save Lens EayZ*e ]
Using Quick Analysis tool bar, click… }4$UlT A'
Quick Spot Diagram (note scale) 1Ztoj}!I
Quick Ray Aberration Plot (note scale) d5h:py5
Quick Field Plot (note scales and maximum distortion value) |_Vlw&qu+
Analysis > Diffraction > MTF 1;>J9
Freq/Calc Tab: Maximum 68, Increment 17 ;0 ,-ywK
Graphics tab: Max plot freq 68 9Y0w
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Click OK (keep window open, tear off starting MTF graph for later comparison) qg|SBQ?6
Optimization > Automatic Design B eBa4s
Output controls: Click Draw System button T$SGf.-
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) /op8]y
Specific constraints: M4`qi3I
Click Insert Specific Constraint [/'W#x
Default display is Optical Definitions, Effective Focal Length (correct choice) \\6/"
Enter 8.25 for Constraint Target [V
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Click OK. |'.\}xt7
File > Save Lens As (new name, digcam20_opt.len) G/ b
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Re-run View Lens window to see new lens picture. } DoNp[`
Re-run each of the Quick Analysis windows and note scales. "1Vuf<?C
Re-run the MTF window, compare to tear-off of starting point 1a`dB
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以下直接复制到命令行即可出最终结果 I t",WFE.
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! Command inputs for Workshop 2-2 (for reference) bIR7g(PJ.b
!Restore 20 Degree Digital Camera Lens Setup ca5Ir<mL
!FILE > OPEN dxsPX =\:
RES digcam20_start.len Dz8)u:vRS
!Vary all radii curvature by right clicking in LDM and selecting VARY ~~z} yCl
!HINT: for curvatures highlight all and select vary. Then go back and Db@$'
!freeze stop surface radius. ApR>b%
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 .O@T#0&=_
!Vary all thicknesses by same method. Do not select surface with solve since 4 1q|R[js!
!varying this surface will delete solve. If mistake, use UNDO or go to ]U82A**n
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve C`Zz\DNG@
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 (/JiOg^cw
THC S8 0 !Don't forget to vary the image distance which calculates best )17 CG*K1
!best real-ray focus from paraxial image plane CKCot
!Vary glass by highlighting, right clicking, and selecting Vary yC pU1 73V
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 s9X?tWuL
!Optimize OPTIMIZATION > AUTOMATIC DESIGN lG6P+ Z/nf
AUT ?`8jn$W^
EFL Z1 = 8.25 !Effective Focal Length Constraint HW "@~-\
MNT 0.8 !Minimum Center Thickness General Constraint @#rF8;
MNE 0.5 !Minimum Edge Thickness General Constraint g A D,
DRA S1..I YES !Draw a picture of lens system at each cycle kIrb; bZ+l
GO 2M@,g8O+B=
!Reanalyze the system. Make sure to "Tear Off" original analysis before "2# #Fcu=
!re-executing to compare optimized system d D ?ZF6
!Re-execute Drawing yH/m@#
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GO 5o2w)<d!
!Re-execute MTF b@`h]]~:
MTF [7 _1GSS1
MFR 68 JS$ojL^
IFR 17 v[57LB
GO "n'kv!?\
!Re-execute Field (Distortion) Analysis }LeizbU
FIE a]\l :r
GO m) QV2n
!Save Lens FILE > SAVE LENS AS... -?nr q <3
SAV digcam20_opt
