主要是看人家的操作步骤,想学命令的人请看，十分有用 n%o5kV x0
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) S79 ;^X
Display > View Lens (accept defaults, click OK, keep window open) `-J%pEIza
In LDM spreadsheet, select surfaces 1 to Image i/`m`qdg
Choose Edit > Default Variables, then click in any cell to unselect the range qGB{7-r u
Right click in each cell and choose Vary for lJ}_G>GJ
Thickness of surfaces 1, 4, 6 ?IqQ-C)6D
Glass of surfaces 1, 4, 6 R\G0'?h
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File > Save Lens sHt].gZ
Using Quick Analysis tool bar, click… 2q=AE v/
Quick Spot Diagram (note scale) zck#tht4
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Quick Ray Aberration Plot (note scale) g 4=pnK8
Quick Field Plot (note scales and maximum distortion value) aJbO((%$|u
Analysis > Diffraction > MTF \F/hMXDlJ
Freq/Calc Tab: Maximum 68, Increment 17 J\:R|KaP<p
Graphics tab: Max plot freq 68 kwo3` b
Click OK (keep window open, tear off starting MTF graph for later comparison) - -HZX
Optimization > Automatic Design c4^ks&)'
Output controls: Click Draw System button %7IugHH9y
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) emqZztccZ
Specific constraints: q G?Qc (
Click Insert Specific Constraint 7XTkX"zKj
Default display is Optical Definitions, Effective Focal Length (correct choice) Eg#K.5hJ
Enter 8.25 for Constraint Target D%OQ e#!
Click OK.
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File > Save Lens As (new name, digcam20_opt.len) S >X:ZYYC
Re-run View Lens window to see new lens picture. 75f"'nJ)
Re-run each of the Quick Analysis windows and note scales. [65 `$x-
Re-run the MTF window, compare to tear-off of starting point 0ghGBuv1s
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以下直接复制到命令行即可出最终结果 mS$j?>m
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! Command inputs for Workshop 2-2 (for reference) K1"*.\?F
!Restore 20 Degree Digital Camera Lens Setup Z<1FSk,[
!FILE > OPEN c[wla<dO*
RES digcam20_start.len (2J: #
!Vary all radii curvature by right clicking in LDM and selecting VARY Xq g@ e:g
!HINT: for curvatures highlight all and select vary. Then go back and )wa m8k5
!freeze stop surface radius. PV'x+b N5
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 B}Z63|/N
!Vary all thicknesses by same method. Do not select surface with solve since q<[P6}.
!varying this surface will delete solve. If mistake, use UNDO or go to LrM=*R h,O
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]@j*/IP
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 4B =7:r
THC S8 0 !Don't forget to vary the image distance which calculates best ~:kZgUP_f
!best real-ray focus from paraxial image plane rb5~XnJk
!Vary glass by highlighting, right clicking, and selecting Vary 0QXVW}`hz
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 J>wt (] y
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 3G,Oba[$<
AUT `#F{Waww'
EFL Z1 = 8.25 !Effective Focal Length Constraint +Mo9kC
MNT 0.8 !Minimum Center Thickness General Constraint "pi=$/RD9
MNE 0.5 !Minimum Edge Thickness General Constraint h)ECf?r<
DRA S1..I YES !Draw a picture of lens system at each cycle fi-WZ
GO @r/# -?W
!Reanalyze the system. Make sure to "Tear Off" original analysis before /32Fy`KV
!re-executing to compare optimized system `5cKA;j>b
!Re-execute Drawing !"HO]3-o
VIE h58`X H
GO @Owb?(6?
!Re-execute MTF .zA^)qgL
MTF sT 3^hY7
MFR 68 ~
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IFR 17 YSr9VpqWV
GO 8;b( 0^
!Re-execute Field (Distortion) Analysis gn8R[5:!V
FIE ][gq#Vx @
GO eJF5n#
!Save Lens FILE > SAVE LENS AS... 3m ]4=
SAV digcam20_opt
