主要是看人家的操作步骤,想学命令的人请看,十分有用 :zj9%4A
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) W<rTq0~$?
Display > View Lens (accept defaults, click OK, keep window open) (!0j4'
In LDM spreadsheet, select surfaces 1 to Image V{T{0b"\U
Choose Edit > Default Variables, then click in any cell to unselect the range iBKb/Oi6
Right click in each cell and choose Vary for )@<HCRQ'q
Thickness of surfaces 1, 4, 6
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Glass of surfaces 1, 4, 6 tIyuzc~U
File > Save Lens _^6|^PT.
Using Quick Analysis tool bar, click… +-H}s`
Quick Spot Diagram (note scale) %R.xS}
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Quick Ray Aberration Plot (note scale) SY$J+YBLM
Quick Field Plot (note scales and maximum distortion value) `sk!C7%
Analysis > Diffraction > MTF |%'6f}fnE
Freq/Calc Tab: Maximum 68, Increment 17 {*?sVAvj
Graphics tab: Max plot freq 68
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Click OK (keep window open, tear off starting MTF graph for later comparison) '9*5-iO
Optimization > Automatic Design c7+Djqs
Output controls: Click Draw System button e$Xq
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) CYPazOfj
Specific constraints: f=:3! k,S
Click Insert Specific Constraint ySwYV
Default display is Optical Definitions, Effective Focal Length (correct choice) poXLy/K
Enter 8.25 for Constraint Target :H!(?(Pie
Click OK. #cj\~T.,,
File > Save Lens As (new name, digcam20_opt.len) 4pmTicA~
Re-run View Lens window to see new lens picture. hncS_ZA
Re-run each of the Quick Analysis windows and note scales. Qy=HrL]x
Re-run the MTF window, compare to tear-off of starting point 6o=qJ`m[?
---------------------------------------------------------------------------------------------- N+CXOI=6x
以下直接复制到命令行即可出最终结果 W NwJM
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! Command inputs for Workshop 2-2 (for reference) 5q|+p?C
!Restore 20 Degree Digital Camera Lens Setup zH)cU%I@.
!FILE > OPEN ~9JW#HHzn
RES digcam20_start.len IPl@ DH
!Vary all radii curvature by right clicking in LDM and selecting VARY y4xT:G/M
!HINT: for curvatures highlight all and select vary. Then go back and gohAp
!freeze stop surface radius. May&@x/oMS
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 \4h>2y
!Vary all thicknesses by same method. Do not select surface with solve since 87QZun%
!varying this surface will delete solve. If mistake, use UNDO or go to hD nM+4D
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve )Qh>0T+(
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 R*s* +I
THC S8 0 !Don't forget to vary the image distance which calculates best Xw7{R
!best real-ray focus from paraxial image plane uP{;*E3?
!Vary glass by highlighting, right clicking, and selecting Vary .MDYGWKt
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ],;D2]<s
!Optimize OPTIMIZATION > AUTOMATIC DESIGN )\{'fF
AUT gw_|C|!P
EFL Z1 = 8.25 !Effective Focal Length Constraint hc-lzYS
MNT 0.8 !Minimum Center Thickness General Constraint HQq`pG%m6
MNE 0.5 !Minimum Edge Thickness General Constraint n,t6v5>88
DRA S1..I YES !Draw a picture of lens system at each cycle 79)A%@YHQQ
GO \\=.6cg<K
!Reanalyze the system. Make sure to "Tear Off" original analysis before `1nRcY
!re-executing to compare optimized system `S"W8_m
!Re-execute Drawing `WH[DQ
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GO cyW;,uT)D
!Re-execute MTF K*_-5e
MTF ?VFM]hO
MFR 68 ?22d},.
IFR 17 f?,-j>[.=f
GO TE3*ktB{N
!Re-execute Field (Distortion) Analysis pG/
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FIE '@'B>7C#
GO BjM+0[HC
!Save Lens FILE > SAVE LENS AS... :/+>e
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SAV digcam20_opt