| 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 #A/]Vs$
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) RCh$j&Tn
Display > View Lens (accept defaults, click OK, keep window open) , |. *,
In LDM spreadsheet, select surfaces 1 to Image mfngbF a1
Choose Edit > Default Variables, then click in any cell to unselect the range 8PoHBOxpc
Right click in each cell and choose Vary for hX8gV~E=y
Thickness of surfaces 1, 4, 6 ;o)=XEh 8P
Glass of surfaces 1, 4, 6 EID)o[<
File > Save Lens T018)WrhL
Using Quick Analysis tool bar, click… @4_rx u&
Quick Spot Diagram (note scale) u spkn1-
Quick Ray Aberration Plot (note scale) prlyaq;4
Quick Field Plot (note scales and maximum distortion value) -4vHK!l
Analysis > Diffraction > MTF -eR!qy:.]5
Freq/Calc Tab: Maximum 68, Increment 17 !u53 3
Graphics tab: Max plot freq 68 q:
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Click OK (keep window open, tear off starting MTF graph for later comparison) V5u}C-o
Optimization > Automatic Design 5%QC
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Output controls: Click Draw System button @L[PW@:SZ
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) hY.e [+
Specific constraints: d=t }T6.|
Click Insert Specific Constraint X ;OsH
Default display is Optical Definitions, Effective Focal Length (correct choice) w>6"Sc7oc2
Enter 8.25 for Constraint Target Z k/' \(5
Click OK. ]_ejDN\>{V
File > Save Lens As (new name, digcam20_opt.len) #QTfT&m+G}
Re-run View Lens window to see new lens picture. "%oH@
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Re-run each of the Quick Analysis windows and note scales. YN%=Oq
Re-run the MTF window, compare to tear-off of starting point 8! H8[J
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以下直接复制到命令行即可出最终结果 ?qg^WDs$
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! Command inputs for Workshop 2-2 (for reference) 3$?9uMl#
!Restore 20 Degree Digital Camera Lens Setup l h,ylh
!FILE > OPEN ka5#<J7<p
RES digcam20_start.len |
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!Vary all radii curvature by right clicking in LDM and selecting VARY #Mj$o;SX
!HINT: for curvatures highlight all and select vary. Then go back and R`@8.]cpPy
!freeze stop surface radius. xvwD3 .1
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 L_THU4^j
!Vary all thicknesses by same method. Do not select surface with solve since < XQN;{xSa
!varying this surface will delete solve. If mistake, use UNDO or go to SON ^CvMs{
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve $ \Q<K@{
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 a>o"^%x
THC S8 0 !Don't forget to vary the image distance which calculates best qri}=du&F
!best real-ray focus from paraxial image plane aB XY ri
!Vary glass by highlighting, right clicking, and selecting Vary /d0Q>v.g
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 FX
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN ^M `>YOU2+
AUT MU_! &(X_
EFL Z1 = 8.25 !Effective Focal Length Constraint L6|Hgrj -u
MNT 0.8 !Minimum Center Thickness General Constraint VHXI@ UT*
MNE 0.5 !Minimum Edge Thickness General Constraint A Gv!c($
DRA S1..I YES !Draw a picture of lens system at each cycle RLdl z
GO ==%`e/~Y
!Reanalyze the system. Make sure to "Tear Off" original analysis before A", e S6
!re-executing to compare optimized system F&=I7i
!Re-execute Drawing ;_mgiKHg
VIE x96qd%l/
GO B#FHf
Z
!Re-execute MTF 8[8|*8xqs
MTF @GN(]t&3
MFR 68 <Z{vC
IFR 17 nd.57@*M
GO z-n>9
!Re-execute Field (Distortion) Analysis <RhOjZgyZ
FIE PT3>E5`N u
GO u?Fnln e4@
!Save Lens FILE > SAVE LENS AS... Y\.-v\uJu
SAV digcam20_opt
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