主要是看人家的操作步骤,想学命令的人请看，十分有用 . MP !`
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) fmb} 2h
Display > View Lens (accept defaults, click OK, keep window open) V0P>YQq9s
In LDM spreadsheet, select surfaces 1 to Image 4\4FolsK
Choose Edit > Default Variables, then click in any cell to unselect the range - UOj>{-
Right click in each cell and choose Vary for p(/dBt[3k
Thickness of surfaces 1, 4, 6 /#m=*&!CB
Glass of surfaces 1, 4, 6
+7=K/[9p
File > Save Lens d\jPdA.a=
Using Quick Analysis tool bar, click… ^$'z!+QRM
Quick Spot Diagram (note scale) CTZh0 x
Quick Ray Aberration Plot (note scale) y"H*%]
Quick Field Plot (note scales and maximum distortion value) +h r@#n4A
Analysis > Diffraction > MTF /XzH?n/{R
Freq/Calc Tab: Maximum 68, Increment 17 Ljx (\Cm
Graphics tab: Max plot freq 68 & I (#Wy3
Click OK (keep window open, tear off starting MTF graph for later comparison) 6 1F(<!
Optimization > Automatic Design V;:j Zp G
Output controls: Click Draw System button 98uV6b~g
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 2 -C!jAfd
Specific constraints: '>' wK.
Click Insert Specific Constraint 4'!c*@Y
Default display is Optical Definitions, Effective Focal Length (correct choice) k6sI
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Enter 8.25 for Constraint Target :n.f_v} 6
Click OK. 8>WC5%f*
File > Save Lens As (new name, digcam20_opt.len) lna}@]oR
Re-run View Lens window to see new lens picture. 'VlDh `<W
Re-run each of the Quick Analysis windows and note scales. =Q+=
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Re-run the MTF window, compare to tear-off of starting point bqnNLs<N
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以下直接复制到命令行即可出最终结果 /oR<A
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! Command inputs for Workshop 2-2 (for reference) +KvU$9Ad>
!Restore 20 Degree Digital Camera Lens Setup d+Ek%_
!FILE > OPEN q(2K6
RES digcam20_start.len d\
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!Vary all radii curvature by right clicking in LDM and selecting VARY pJt,9e6
!HINT: for curvatures highlight all and select vary. Then go back and n=c
2K c
!freeze stop surface radius. |!"`M Iw,
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ^w c"&;=c|
!Vary all thicknesses by same method. Do not select surface with solve since 1>E<8&2[L
!varying this surface will delete solve. If mistake, use UNDO or go to c%'RR?Tl
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 3~ S8!nx
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 'F$l{iR
THC S8 0 !Don't forget to vary the image distance which calculates best :=/>Vbd: )
!best real-ray focus from paraxial image plane .tz G_
!Vary glass by highlighting, right clicking, and selecting Vary #7 q7PYG4
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 IbP#_Vt
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 7lBAxqr2
AUT }A7j/uy}s
EFL Z1 = 8.25 !Effective Focal Length Constraint f,:9N 5Z
MNT 0.8 !Minimum Center Thickness General Constraint D b1pW=66:
MNE 0.5 !Minimum Edge Thickness General Constraint /5:bvg+
DRA S1..I YES !Draw a picture of lens system at each cycle
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GO [`rba'
!Reanalyze the system. Make sure to "Tear Off" original analysis before b+&% 1C
!re-executing to compare optimized system h >s!K9
!Re-execute Drawing - Ty*aov
VIE X .5aMm
GO C@L$~iG
!Re-execute MTF f^"N!f a
MTF (KF=On;=Y
MFR 68 @)4]b+8Z
IFR 17 MgNU``
GO }`,t$NV`
!Re-execute Field (Distortion) Analysis j&Wl0
FIE (r D_(%o
GO B3
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!Save Lens FILE > SAVE LENS AS... 6DuEL=C
SAV digcam20_opt
