主要是看人家的操作步骤,想学命令的人请看，十分有用 X$Shi
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) j0^ 1BVcj
Display > View Lens (accept defaults, click OK, keep window open) cA+T-A]
In LDM spreadsheet, select surfaces 1 to Image p//mV H%
Choose Edit > Default Variables, then click in any cell to unselect the range nA(5p?D+YB
Right click in each cell and choose Vary for l_s#7 .9$
Thickness of surfaces 1, 4, 6 riF-9
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Glass of surfaces 1, 4, 6 p"7]zq]'
File > Save Lens xS(VgP&YGO
Using Quick Analysis tool bar, click… 9mW
Quick Spot Diagram (note scale) {Mb2X^@7
Quick Ray Aberration Plot (note scale) <Mndr 8 H
Quick Field Plot (note scales and maximum distortion value) %ikPz~(
Analysis > Diffraction > MTF JqUft=p5
Freq/Calc Tab: Maximum 68, Increment 17 j115:f
Graphics tab: Max plot freq 68 qm<-(Qc (W
Click OK (keep window open, tear off starting MTF graph for later comparison) 2Lytk OMf
Optimization > Automatic Design KRX\< @
Output controls: Click Draw System button Y[| 9
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Jz 4;7/
Specific constraints: /U,(u9bq
Click Insert Specific Constraint beBv|kI4
Default display is Optical Definitions, Effective Focal Length (correct choice) V $w bm z
Enter 8.25 for Constraint Target
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Click OK. G5|'uKz2"
File > Save Lens As (new name, digcam20_opt.len) 1h|qxYO
Re-run View Lens window to see new lens picture. JC`;hY
Re-run each of the Quick Analysis windows and note scales. KSJ+3_7 ]k
Re-run the MTF window, compare to tear-off of starting point lD'^ 6
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以下直接复制到命令行即可出最终结果 ( /^?$~m "
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! Command inputs for Workshop 2-2 (for reference) RD0*]4>]
!Restore 20 Degree Digital Camera Lens Setup M;W&#Fz%
!FILE > OPEN M1]w0~G
RES digcam20_start.len i03= Af3
!Vary all radii curvature by right clicking in LDM and selecting VARY ~;-2eKw
!HINT: for curvatures highlight all and select vary. Then go back and nltOX @P-
!freeze stop surface radius. lKf kRyO_S
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 8QMMKO ui\
!Vary all thicknesses by same method. Do not select surface with solve since A~ v[6*~>
!varying this surface will delete solve. If mistake, use UNDO or go to ul
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve oB @)!'
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 W9{;HGWS
THC S8 0 !Don't forget to vary the image distance which calculates best txm6[Io
!best real-ray focus from paraxial image plane H]*B5Jv~
!Vary glass by highlighting, right clicking, and selecting Vary "$b{EYq6
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 I?nU+t;
!Optimize OPTIMIZATION > AUTOMATIC DESIGN EuA352x
AUT iaQfxQP1w%
EFL Z1 = 8.25 !Effective Focal Length Constraint `gF ]
MNT 0.8 !Minimum Center Thickness General Constraint V6+:g=@U-l
MNE 0.5 !Minimum Edge Thickness General Constraint \),zDO+
DRA S1..I YES !Draw a picture of lens system at each cycle n ET<u;
GO :?}> Q
!Reanalyze the system. Make sure to "Tear Off" original analysis before Sj:c {jyJd
!re-executing to compare optimized system t0Lt+E|J
!Re-execute Drawing 4uh~@ Lv
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GO $C,` ^n'
!Re-execute MTF foBF]7Bz?
MTF xIV#}z0
MFR 68 |MN2v[y
IFR 17 nv(6NV
GO + rM]RFi
!Re-execute Field (Distortion) Analysis 3g56[;Up?
FIE WRRR "Q$
GO .g7\+aiTUd
!Save Lens FILE > SAVE LENS AS... nEP3B '+
SAV digcam20_opt
