| longlllooo |
2006-03-27 20:26 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 LN
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 4,tMaQ
Display > View Lens (accept defaults, click OK, keep window open) L7_(KC h
In LDM spreadsheet, select surfaces 1 to Image n9 ]^v-]K
Choose Edit > Default Variables, then click in any cell to unselect the range
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Right click in each cell and choose Vary for xcnHj1r-o'
Thickness of surfaces 1, 4, 6 g F^l`1f"
Glass of surfaces 1, 4, 6 =xQ 7:TB
File > Save Lens Q~G+YjM3
Using Quick Analysis tool bar, click… `* "u"7e
Quick Spot Diagram (note scale) oF,XSd
Quick Ray Aberration Plot (note scale) EXH{3E54)`
Quick Field Plot (note scales and maximum distortion value) %P0dY:L~
Analysis > Diffraction > MTF {/uBZ(
Freq/Calc Tab: Maximum 68, Increment 17 9vWKyzMi
Graphics tab: Max plot freq 68 sqi~j(&\1
Click OK (keep window open, tear off starting MTF graph for later comparison)
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Optimization > Automatic Design wXPNfV<(2
Output controls: Click Draw System button 5'@J}7h
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) A^q= :ofQ
Specific constraints: @ ^a6^*X>
Click Insert Specific Constraint {S%)GvrT
Default display is Optical Definitions, Effective Focal Length (correct choice) 0 lXV+ l j
Enter 8.25 for Constraint Target / _@S*=T5
Click OK. q~p,A>K
File > Save Lens As (new name, digcam20_opt.len) `IOp*8
Re-run View Lens window to see new lens picture. p^Ca-+R3
Re-run each of the Quick Analysis windows and note scales. 7J~6J .m
Re-run the MTF window, compare to tear-off of starting point .{k(4_ Q?I
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以下直接复制到命令行即可出最终结果 )&1yt4
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! Command inputs for Workshop 2-2 (for reference) |xZDc6HDW
!Restore 20 Degree Digital Camera Lens Setup J_}&Btb)e
!FILE > OPEN (M4~N)7<P5
RES digcam20_start.len Jc~^32
!Vary all radii curvature by right clicking in LDM and selecting VARY 0(|R N V_
!HINT: for curvatures highlight all and select vary. Then go back and pu=T
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!freeze stop surface radius. +cvz
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 {k1s@KXtd
!Vary all thicknesses by same method. Do not select surface with solve since cE 8vSQ%
!varying this surface will delete solve. If mistake, use UNDO or go to [#V"a:8m}
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve aQC bRS6
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ]w]Swt2n
THC S8 0 !Don't forget to vary the image distance which calculates best <]/`#Xgh
!best real-ray focus from paraxial image plane a w/ Y#
!Vary glass by highlighting, right clicking, and selecting Vary "M
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 vNL f)B
!Optimize OPTIMIZATION > AUTOMATIC DESIGN EAF<PMb
AUT TSdjX]Kf
EFL Z1 = 8.25 !Effective Focal Length Constraint daWmF
MNT 0.8 !Minimum Center Thickness General Constraint |(}uagfrd
MNE 0.5 !Minimum Edge Thickness General Constraint XtT;UBE
DRA S1..I YES !Draw a picture of lens system at each cycle
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GO KD$ P\(5#
!Reanalyze the system. Make sure to "Tear Off" original analysis before w! :u|
!re-executing to compare optimized system {-^>)
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!Re-execute Drawing 1] A%lud4
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GO Ptzha?}OZ
!Re-execute MTF B5#a
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MTF NhCO C
MFR 68 l6xC'c,jg
IFR 17 .Y_RI&B!L
GO AS|gi!OVA
!Re-execute Field (Distortion) Analysis si=/=h
FIE :|<D(YA
GO Qo DWR5*^D
!Save Lens FILE > SAVE LENS AS... TnL%_!V!
SAV digcam20_opt
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