主要是看人家的操作步骤,想学命令的人请看，十分有用 r F8
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) EzP#Mnz^
Display > View Lens (accept defaults, click OK, keep window open) q) _r3
In LDM spreadsheet, select surfaces 1 to Image Ow3a0cF[9
Choose Edit > Default Variables, then click in any cell to unselect the range z>:U{!5k
Right click in each cell and choose Vary for c^-YcG wa
Thickness of surfaces 1, 4, 6 i_Ar<9a~
Glass of surfaces 1, 4, 6 9v?V
File > Save Lens f'_ S1\
Using Quick Analysis tool bar, click… 8eww7k^R
Quick Spot Diagram (note scale) ,P{ HE8 .
Quick Ray Aberration Plot (note scale) I @PJl
Quick Field Plot (note scales and maximum distortion value) TzY!D *%z
Analysis > Diffraction > MTF u 9}!Gq
Freq/Calc Tab: Maximum 68, Increment 17 + U5U.f%
Graphics tab: Max plot freq 68 3/tJDb5
Click OK (keep window open, tear off starting MTF graph for later comparison) twv
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Optimization > Automatic Design {,v:
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Output controls: Click Draw System button 22I Y rk
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) $h]NXC6J
Specific constraints: !rHx}n{rw
Click Insert Specific Constraint I =b'j5c
Default display is Optical Definitions, Effective Focal Length (correct choice) bA+[{
Enter 8.25 for Constraint Target nt`<y0ta
Click OK. '?k' 6R$'\
File > Save Lens As (new name, digcam20_opt.len) p,s&61]
Re-run View Lens window to see new lens picture. IDmsz
Re-run each of the Quick Analysis windows and note scales. H
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Re-run the MTF window, compare to tear-off of starting point k!c7a\">{
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以下直接复制到命令行即可出最终结果 jNqVdP]d\
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! Command inputs for Workshop 2-2 (for reference) ;(`e^I Vf
!Restore 20 Degree Digital Camera Lens Setup E @]sq A
!FILE > OPEN LO}z)j~W
RES digcam20_start.len 1w) fu
!Vary all radii curvature by right clicking in LDM and selecting VARY r$?Vx_f`Q
!HINT: for curvatures highlight all and select vary. Then go back and u7 ~mn l
!freeze stop surface radius. c l2ze
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 QB9A-U <J
!Vary all thicknesses by same method. Do not select surface with solve since kraVL%72
!varying this surface will delete solve. If mistake, use UNDO or go to xx6S`R6:
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve m|`VJ 0
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 :' ihE\j
THC S8 0 !Don't forget to vary the image distance which calculates best T8mY#^sW_
!best real-ray focus from paraxial image plane /[L)tj7B
!Vary glass by highlighting, right clicking, and selecting Vary "<T ~jk"u
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 vhNohCt
!Optimize OPTIMIZATION > AUTOMATIC DESIGN s/PhXf\MN
AUT
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EFL Z1 = 8.25 !Effective Focal Length Constraint (6o:4|xl0
MNT 0.8 !Minimum Center Thickness General Constraint }2mI*"%)\u
MNE 0.5 !Minimum Edge Thickness General Constraint [^Q&suy
DRA S1..I YES !Draw a picture of lens system at each cycle $&Ac5Zo%}
GO Bj+wayMi
!Reanalyze the system. Make sure to "Tear Off" original analysis before ofl'G]/$+
!re-executing to compare optimized system @%% bRY
!Re-execute Drawing ` +Xe'ey
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GO }eI`Qg
!Re-execute MTF CJ:uYXJJ:z
MTF [}@n*D$
MFR 68 wU.'_SBfB
IFR 17 k|l5"&K~.
GO 9G+y.^/ 6
!Re-execute Field (Distortion) Analysis m.T wgin
FIE ^}tL nF
GO uGM>C"
!Save Lens FILE > SAVE LENS AS... D|"s E>
SAV digcam20_opt
