| 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 ?7
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) y` yZ R
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Display > View Lens (accept defaults, click OK, keep window open) d|XmasGN
In LDM spreadsheet, select surfaces 1 to Image kZLMtj-
Choose Edit > Default Variables, then click in any cell to unselect the range _%~$'H y
Right click in each cell and choose Vary for zvY+R\,in
Thickness of surfaces 1, 4, 6 XM/vDdR
Glass of surfaces 1, 4, 6 w7FoL
File > Save Lens 5r b-U7 /
Using Quick Analysis tool bar, click… |S&5es-yW
Quick Spot Diagram (note scale) ]N^*tO
Quick Ray Aberration Plot (note scale) } s_hD`'
Quick Field Plot (note scales and maximum distortion value) Dw_D+7>(v
Analysis > Diffraction > MTF w\Mnu}<e$
Freq/Calc Tab: Maximum 68, Increment 17 er2cQS7R
Graphics tab: Max plot freq 68 06 i;T~Y
Click OK (keep window open, tear off starting MTF graph for later comparison) ~>Kq<]3~
Optimization > Automatic Design =wG+Ao
Output controls: Click Draw System button 6?qDdVR~]
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) paW@\1 Q
Specific constraints: Ow:1?Z{4
Click Insert Specific Constraint BQ/PGY>
Default display is Optical Definitions, Effective Focal Length (correct choice) ,l t8O.h-l
Enter 8.25 for Constraint Target t{dSX?<nt
Click OK. %g3 ,qI
File > Save Lens As (new name, digcam20_opt.len) " B{E CM;
Re-run View Lens window to see new lens picture. ibpzeuUl
Re-run each of the Quick Analysis windows and note scales. oH#v6{y
Re-run the MTF window, compare to tear-off of starting point L?5f+@0.
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以下直接复制到命令行即可出最终结果 UG;Y^?Ppe5
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! Command inputs for Workshop 2-2 (for reference) Nc)J18
!Restore 20 Degree Digital Camera Lens Setup 1[ ;;sSp
!FILE > OPEN ~Rpm-^
RES digcam20_start.len B=Ym x2A9]
!Vary all radii curvature by right clicking in LDM and selecting VARY 80pid[F
!HINT: for curvatures highlight all and select vary. Then go back and f )Z%pgB
!freeze stop surface radius. nV*y`.+
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 O(z}H }Fv
!Vary all thicknesses by same method. Do not select surface with solve since ? 4 S+edX
!varying this surface will delete solve. If mistake, use UNDO or go to j(rL
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]Mi.f3QlO6
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 yX!HZu;j
THC S8 0 !Don't forget to vary the image distance which calculates best ,=QM#l]
!best real-ray focus from paraxial image plane p\p\q(S">
!Vary glass by highlighting, right clicking, and selecting Vary F {+`uG
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 FLZWZ;
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ; CHi\+` 5
AUT 'heJ"k ?
EFL Z1 = 8.25 !Effective Focal Length Constraint (u3s"I
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MNT 0.8 !Minimum Center Thickness General Constraint Y&HK 1>M_
MNE 0.5 !Minimum Edge Thickness General Constraint }8-\A7T
DRA S1..I YES !Draw a picture of lens system at each cycle MJ`3ta
GO en F :>H4
!Reanalyze the system. Make sure to "Tear Off" original analysis before )B#
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!re-executing to compare optimized system errH>D~
!Re-execute Drawing #R0A= !
VIE a:T vWzX,
GO +pm[f["C.
!Re-execute MTF 8.J( r(;>
MTF 8~ lIe:F-
MFR 68 }x0- V8
IFR 17 4mjgt<`
GO wC_l@7 t
!Re-execute Field (Distortion) Analysis j@gMb iu
FIE Yap?^&GV
GO *l+OlQI0+
!Save Lens FILE > SAVE LENS AS... $2^`Uca
SAV digcam20_opt
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