| 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 TK'(\[E
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) J6jrtLh
Display > View Lens (accept defaults, click OK, keep window open) &0M^UvO
In LDM spreadsheet, select surfaces 1 to Image U|,VH-#
Choose Edit > Default Variables, then click in any cell to unselect the range )5B90[M|t
Right click in each cell and choose Vary for k*M1m'1
Thickness of surfaces 1, 4, 6 %6 Bt%H
Glass of surfaces 1, 4, 6 U:ZklDW
File > Save Lens Nhs]U`s(g
Using Quick Analysis tool bar, click… Dk:Zeo]+my
Quick Spot Diagram (note scale)
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Quick Ray Aberration Plot (note scale) ^ /c&Ud
Quick Field Plot (note scales and maximum distortion value) 8%Pj x7'<
Analysis > Diffraction > MTF uRJLSt9m
Freq/Calc Tab: Maximum 68, Increment 17 k0% 4&pU
Graphics tab: Max plot freq 68 *2@Ne[dYEF
Click OK (keep window open, tear off starting MTF graph for later comparison) i4AmNRs
Optimization > Automatic Design o: TO[
Output controls: Click Draw System button R(3V ! ph
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Si!W@Jm
Specific constraints: $$AKz\
Click Insert Specific Constraint .I[uXd
Default display is Optical Definitions, Effective Focal Length (correct choice) ,_p_p^Ar\4
Enter 8.25 for Constraint Target f:e~ystm
Click OK. (eHvp
File > Save Lens As (new name, digcam20_opt.len) 4u A ;--j
Re-run View Lens window to see new lens picture. 6M F%$ K3
Re-run each of the Quick Analysis windows and note scales. .BZw7
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Re-run the MTF window, compare to tear-off of starting point 87y$=eZ
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以下直接复制到命令行即可出最终结果 %
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! Command inputs for Workshop 2-2 (for reference) Wk`G+VR+
!Restore 20 Degree Digital Camera Lens Setup P5kkaLzG
!FILE > OPEN C^]bXIb
RES digcam20_start.len ,0;E_i7
!Vary all radii curvature by right clicking in LDM and selecting VARY )N<>L/R
!HINT: for curvatures highlight all and select vary. Then go back and x-Yt@}6mvl
!freeze stop surface radius. 19h8p>Sx0
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 zAS&L%^ tV
!Vary all thicknesses by same method. Do not select surface with solve since [ p|-G*=00
!varying this surface will delete solve. If mistake, use UNDO or go to DtR-NzjB
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 7'd_]e-.
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 sLPFeibof5
THC S8 0 !Don't forget to vary the image distance which calculates best IKH#[jW'IB
!best real-ray focus from paraxial image plane &H`yDrg6U
!Vary glass by highlighting, right clicking, and selecting Vary Ggsfr;m\`
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 8g^OXZ
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Cj,fP[p#7
AUT "3W!p+W
EFL Z1 = 8.25 !Effective Focal Length Constraint e%o6s+"
MNT 0.8 !Minimum Center Thickness General Constraint BB>3Kj:|
MNE 0.5 !Minimum Edge Thickness General Constraint Jcy
DRA S1..I YES !Draw a picture of lens system at each cycle p~En ~?<
GO t Noo3&
!Reanalyze the system. Make sure to "Tear Off" original analysis before w* OZ1|
!re-executing to compare optimized system 8tY],
!Re-execute Drawing
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VIE 0'% R@|
GO `fj( xrI
!Re-execute MTF T[*=7jnJQ
MTF \ &n]W\
MFR 68 JY~s-jxa
IFR 17 zH.DyD5T;
GO \|L@
!Re-execute Field (Distortion) Analysis [89# 8|+
FIE 'cu(
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GO m&EwX ^1-
!Save Lens FILE > SAVE LENS AS... 0,{Dw9W:
SAV digcam20_opt
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