| 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 4,6?sTuX
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) G>^ _&(c@2
Display > View Lens (accept defaults, click OK, keep window open) PPtJ/
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In LDM spreadsheet, select surfaces 1 to Image n22OPvp
Choose Edit > Default Variables, then click in any cell to unselect the range wB*}XJah
Right click in each cell and choose Vary for P$A'WEO'
Thickness of surfaces 1, 4, 6 6;\Tps;A
Glass of surfaces 1, 4, 6 TP/bPZY
File > Save Lens H! g9~a
Using Quick Analysis tool bar, click… 6[1lK8o
Quick Spot Diagram (note scale) Bv=:F5hLG
Quick Ray Aberration Plot (note scale) (7P VfS>;
Quick Field Plot (note scales and maximum distortion value) Bk4|ik}
Analysis > Diffraction > MTF O6!:Qd
Freq/Calc Tab: Maximum 68, Increment 17 p["20 ?^
Graphics tab: Max plot freq 68 =$%_asQJ
Click OK (keep window open, tear off starting MTF graph for later comparison) Q"{Q]IT
Optimization > Automatic Design r %oXO]X
Output controls: Click Draw System button 771r(X?Fa
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) U| 1&=8 l
Specific constraints: cNRe >
Click Insert Specific Constraint yi1V \8DC
Default display is Optical Definitions, Effective Focal Length (correct choice) V^p XbDRl
Enter 8.25 for Constraint Target .*w3 ryQ
Click OK. {cYbM[}U"
File > Save Lens As (new name, digcam20_opt.len) {&Sr<d5
Re-run View Lens window to see new lens picture. Js8d{\0\
Re-run each of the Quick Analysis windows and note scales. ^cYt4NHXn
Re-run the MTF window, compare to tear-off of starting point )pt#Pu
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以下直接复制到命令行即可出最终结果 t.m C q 4{
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! Command inputs for Workshop 2-2 (for reference) r)t-_p37
!Restore 20 Degree Digital Camera Lens Setup 8U&93$
!FILE > OPEN
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RES digcam20_start.len Uv /?/;si
!Vary all radii curvature by right clicking in LDM and selecting VARY EY
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!HINT: for curvatures highlight all and select vary. Then go back and S QVyCxcX_
!freeze stop surface radius. fxk6 q$'
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ~Aq$GH4
!Vary all thicknesses by same method. Do not select surface with solve since E?P: !V=_
!varying this surface will delete solve. If mistake, use UNDO or go to P&]PJt5
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve HTUY|^^D
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 .1& F p
THC S8 0 !Don't forget to vary the image distance which calculates best z}m) u
!best real-ray focus from paraxial image plane # ~88[i-6
!Vary glass by highlighting, right clicking, and selecting Vary T $; N8x[
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ;;l-E>X0
!Optimize OPTIMIZATION > AUTOMATIC DESIGN rY&Y5 8./
AUT s ;-%Dfn
EFL Z1 = 8.25 !Effective Focal Length Constraint }fKpi h
MNT 0.8 !Minimum Center Thickness General Constraint vy330SQP o
MNE 0.5 !Minimum Edge Thickness General Constraint HGRH9 W
DRA S1..I YES !Draw a picture of lens system at each cycle >T~d uwS
GO %7bZnK`C
!Reanalyze the system. Make sure to "Tear Off" original analysis before t{)J#8:g
!re-executing to compare optimized system Syj7K*,%bZ
!Re-execute Drawing u0& dDZ
VIE K2R[u#Q
GO x,SzZ)l-9
!Re-execute MTF GiN \ @F!
MTF %@Ty,d:;=
MFR 68 *6e 5T
IFR 17 0if~qGm=!
GO c,I|O'
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!Re-execute Field (Distortion) Analysis U$( AZ|0
FIE RI% ZT
GO |YAnd=$
!Save Lens FILE > SAVE LENS AS... RGim):1e
SAV digcam20_opt
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