主要是看人家的操作步骤,想学命令的人请看,十分有用 a:]yFi:Su
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) hP#&]W3:
Display > View Lens (accept defaults, click OK, keep window open) *:_hOOT+[
In LDM spreadsheet, select surfaces 1 to Image ";. 3+z
Choose Edit > Default Variables, then click in any cell to unselect the range ~gDtj&F
Right click in each cell and choose Vary for K^vMIo h
Thickness of surfaces 1, 4, 6 *ZEs5`x
Glass of surfaces 1, 4, 6 .lnD]Q
File > Save Lens Te13Af~
Using Quick Analysis tool bar, click… V!=]a^]:
Quick Spot Diagram (note scale) C|JWom\J
Quick Ray Aberration Plot (note scale) 1|89-Ii]
Quick Field Plot (note scales and maximum distortion value) Zn!SHj
Analysis > Diffraction > MTF ljCgIfZ_4
Freq/Calc Tab: Maximum 68, Increment 17 n(+:l'#HJ
Graphics tab: Max plot freq 68 [6tQv<}^
Click OK (keep window open, tear off starting MTF graph for later comparison) 33C#iR1(WJ
Optimization > Automatic Design Q&LkST-i
Output controls: Click Draw System button <Jk|Bmw;
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) }A;Xd/,'r
Specific constraints: ]7O?c=
Click Insert Specific Constraint &_6:TqJ
Default display is Optical Definitions, Effective Focal Length (correct choice) ij),DbWd
Enter 8.25 for Constraint Target 3N21[i2/m
Click OK. .PxM
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File > Save Lens As (new name, digcam20_opt.len) v]!7=>/2
Re-run View Lens window to see new lens picture. >JMKEHl.q
Re-run each of the Quick Analysis windows and note scales. L$Q+R'
Re-run the MTF window, compare to tear-off of starting point 3WYW])
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以下直接复制到命令行即可出最终结果 "8I4]'
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! Command inputs for Workshop 2-2 (for reference) (qrT0D6
!Restore 20 Degree Digital Camera Lens Setup {m?x},
!FILE > OPEN =EJ"edw]%0
RES digcam20_start.len )qIK7;
!Vary all radii curvature by right clicking in LDM and selecting VARY (!(bysi9
!HINT: for curvatures highlight all and select vary. Then go back and pf_ /jR
!freeze stop surface radius. S7vE[VF5
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 sFTIRVXN,
!Vary all thicknesses by same method. Do not select surface with solve since SOL=3hfb^
!varying this surface will delete solve. If mistake, use UNDO or go to T_-MSXhA
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ^J_hkw~gO
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 /~[R
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THC S8 0 !Don't forget to vary the image distance which calculates best >R<fm
!best real-ray focus from paraxial image plane kes'q8k
!Vary glass by highlighting, right clicking, and selecting Vary 6>I.*Qt \l
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 u|c+w)a
!Optimize OPTIMIZATION > AUTOMATIC DESIGN $\
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AUT a6d KQ3D
EFL Z1 = 8.25 !Effective Focal Length Constraint (Wqhuw!u
MNT 0.8 !Minimum Center Thickness General Constraint u"jnEKN0y
MNE 0.5 !Minimum Edge Thickness General Constraint K;PpS*!
DRA S1..I YES !Draw a picture of lens system at each cycle Q/9b'^UJ
GO a5M>1&j/eC
!Reanalyze the system. Make sure to "Tear Off" original analysis before Q:\hh=^
!re-executing to compare optimized system EiUV?Gvz
!Re-execute Drawing %-Z~f~<?
VIE 2LU'C,o?
GO %"zJsYQ!
!Re-execute MTF `,Gk1~Wv
MTF Ah6x2(:
MFR 68 pg)g&ifKl
IFR 17 o{p_s0IX;S
GO 3D0I5LF&
!Re-execute Field (Distortion) Analysis YP,PJnJU8
FIE )|x5#b-lz
GO "_j7kYAl
!Save Lens FILE > SAVE LENS AS... `uHpj`EU
SAV digcam20_opt