| longlllooo |
2006-03-27 20:24 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 [300F=R
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 2Jn?'76`
Display > View Lens (accept defaults, click OK, keep window open) K]dX5vJw'
In LDM spreadsheet, select surfaces 1 to Image 8!Q0:4Vb
Choose Edit > Default Variables, then click in any cell to unselect the range nF{>RD
Right click in each cell and choose Vary for (J eRJ4
Thickness of surfaces 1, 4, 6 gPr& 9pHU
Glass of surfaces 1, 4, 6 f{f|frs
File > Save Lens ^HNccr
Using Quick Analysis tool bar, click… vX"jL
Quick Spot Diagram (note scale) M@O<b-
Quick Ray Aberration Plot (note scale) '2c4
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Quick Field Plot (note scales and maximum distortion value) &6@e9ff0
Analysis > Diffraction > MTF 4L[-[ {2
Freq/Calc Tab: Maximum 68, Increment 17 7\JA8mm
Graphics tab: Max plot freq 68 DqlspT
Click OK (keep window open, tear off starting MTF graph for later comparison) {$^Lb4O[V
Optimization > Automatic Design CiC@Z,ud`
Output controls: Click Draw System button }J\KnaKo
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) B< ?fD
Specific constraints: o$bD?Zn
Click Insert Specific Constraint R3} Z"
Default display is Optical Definitions, Effective Focal Length (correct choice) ' $X}' u
Enter 8.25 for Constraint Target J`{HM v
Click OK. 0Kenyn4 ?
File > Save Lens As (new name, digcam20_opt.len) p4I6oS`/.
Re-run View Lens window to see new lens picture. AC/8 2$
Re-run each of the Quick Analysis windows and note scales. qGc>+! y
Re-run the MTF window, compare to tear-off of starting point z}*74lhF
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以下直接复制到命令行即可出最终结果 t!}?nw%$
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! Command inputs for Workshop 2-2 (for reference) K>fY9`Whm
!Restore 20 Degree Digital Camera Lens Setup jYJfo<
!FILE > OPEN U2VnACCUZs
RES digcam20_start.len b-,]21
!Vary all radii curvature by right clicking in LDM and selecting VARY &y=~:1&f
!HINT: for curvatures highlight all and select vary. Then go back and B|n<{g[-cM
!freeze stop surface radius. e8<[2J)P&
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 gEQevy`T%c
!Vary all thicknesses by same method. Do not select surface with solve since R^F\2yth-
!varying this surface will delete solve. If mistake, use UNDO or go to YC0FXN V
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve kVb8 $Sp
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 OM
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THC S8 0 !Don't forget to vary the image distance which calculates best .]W A/}
!best real-ray focus from paraxial image plane Gm1vVHAxv
!Vary glass by highlighting, right clicking, and selecting Vary :i ft{XR'
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 3Q"4 -pd
!Optimize OPTIMIZATION > AUTOMATIC DESIGN obhq2sK
AUT H Ql_ /:Wx
EFL Z1 = 8.25 !Effective Focal Length Constraint /R44x\nhr
MNT 0.8 !Minimum Center Thickness General Constraint ;l 6tZ]-"
MNE 0.5 !Minimum Edge Thickness General Constraint a7UfRG
DRA S1..I YES !Draw a picture of lens system at each cycle v
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GO l+1GA0'JP
!Reanalyze the system. Make sure to "Tear Off" original analysis before N/fH% AtM
!re-executing to compare optimized system Z*(lg$A9 M
!Re-execute Drawing sS|N.2*
VIE >HXmpu.O
GO saaN$tU7
!Re-execute MTF /N&)r wc
MTF e.IKmH]z
MFR 68 ]o ]*&[ C
IFR 17 m*S[oy&
GO ]h$,=Qf
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!Re-execute Field (Distortion) Analysis e-#!3j!'
FIE icPg<>TQ
GO :9`T.V<?
!Save Lens FILE > SAVE LENS AS... /h MD
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SAV digcam20_opt
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