主要是看人家的操作步骤,想学命令的人请看，十分有用 dVn_+1\L
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) SDk^fT V8x
Display > View Lens (accept defaults, click OK, keep window open) j6L (U~%
In LDM spreadsheet, select surfaces 1 to Image PR,8c
Choose Edit > Default Variables, then click in any cell to unselect the range lvLz){
Right click in each cell and choose Vary for wLvM< p7OX
Thickness of surfaces 1, 4, 6 kE[R9RS!
Glass of surfaces 1, 4, 6 oR3t vw.
File > Save Lens lB8g D
Using Quick Analysis tool bar, click… ::-*~CH)
Quick Spot Diagram (note scale) n?9FJOqi
Quick Ray Aberration Plot (note scale) 1 (e64w@
Quick Field Plot (note scales and maximum distortion value) FC]n? 1?<(
Analysis > Diffraction > MTF 3~Ap1 _9
Freq/Calc Tab: Maximum 68, Increment 17 IlB*JJ nl
Graphics tab: Max plot freq 68 X!@ Y ,
Click OK (keep window open, tear off starting MTF graph for later comparison) 7" )~JBH
Optimization > Automatic Design
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Output controls: Click Draw System button 'q@vTM'-
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) +/" \.wYv
Specific constraints: j[dgY1yE:
Click Insert Specific Constraint n8`WU3&
Default display is Optical Definitions, Effective Focal Length (correct choice) Ry? f; s
Enter 8.25 for Constraint Target *9EW &Ek
Click OK. t
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File > Save Lens As (new name, digcam20_opt.len) cI rc@
Re-run View Lens window to see new lens picture. dfZ`M^NU
Re-run each of the Quick Analysis windows and note scales. _1~pG )y$U
Re-run the MTF window, compare to tear-off of starting point \5Y<UJ Ki
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以下直接复制到命令行即可出最终结果 %J1oz 3n
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! Command inputs for Workshop 2-2 (for reference) n9R0f9:*
!Restore 20 Degree Digital Camera Lens Setup /w2-Pgm-[\
!FILE > OPEN JY~CMR5#.O
RES digcam20_start.len 9\0$YY%
!Vary all radii curvature by right clicking in LDM and selecting VARY imKMPO=
!HINT: for curvatures highlight all and select vary. Then go back and QV4FA&f&
!freeze stop surface radius. SDVnyT
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 V7cr%tY5
!Vary all thicknesses by same method. Do not select surface with solve since sa"}9IE*8
!varying this surface will delete solve. If mistake, use UNDO or go to {i}E)Np
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 #&%>kfeJ)<
THC S8 0 !Don't forget to vary the image distance which calculates best Y %>u.HzL
!best real-ray focus from paraxial image plane : LT'#Q8
!Vary glass by highlighting, right clicking, and selecting Vary 9}H]4"f7
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 cH+ ~|3
!Optimize OPTIMIZATION > AUTOMATIC DESIGN P]armg%
AUT ru4M=D
EFL Z1 = 8.25 !Effective Focal Length Constraint pbw{EzM
MNT 0.8 !Minimum Center Thickness General Constraint +d(|Jid
MNE 0.5 !Minimum Edge Thickness General Constraint h Vu i.]
DRA S1..I YES !Draw a picture of lens system at each cycle Y s&)5j-
GO 'S:$4j
!Reanalyze the system. Make sure to "Tear Off" original analysis before y*p02\)
!re-executing to compare optimized system @[ Q`k=h$
!Re-execute Drawing ;uzLa%JQ
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GO 8 VhU)f Y
!Re-execute MTF 8IE^u<H(:
MTF @7KG0<]h
MFR 68 T''<y S
IFR 17 ?nWzJ5w3
GO LWhP d\
!Re-execute Field (Distortion) Analysis i4nFjz
FIE 4S[UJ%
GO (t@ :dW
!Save Lens FILE > SAVE LENS AS... d[XMQX
SAV digcam20_opt
