主要是看人家的操作步骤,想学命令的人请看，十分有用 V RD^> Gi
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) %NC/zqPH~
Display > View Lens (accept defaults, click OK, keep window open) &Vgpv#&Cfx
In LDM spreadsheet, select surfaces 1 to Image |(PS
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Choose Edit > Default Variables, then click in any cell to unselect the range x ',6VTz^
Right click in each cell and choose Vary for Np r u
Thickness of surfaces 1, 4, 6 1)z Xv
Glass of surfaces 1, 4, 6 ~{vB2
File > Save Lens N>] J$[j
Using Quick Analysis tool bar, click… lmL$0{Yr
Quick Spot Diagram (note scale) ~<s =yjTu+
Quick Ray Aberration Plot (note scale) O7uCTB+
Quick Field Plot (note scales and maximum distortion value) ,w BfGpVb
Analysis > Diffraction > MTF Dh? I
Freq/Calc Tab: Maximum 68, Increment 17 K4YD}[
Graphics tab: Max plot freq 68 <yBa5m@/
Click OK (keep window open, tear off starting MTF graph for later comparison) u |.7w 2
Optimization > Automatic Design D>HbJCG4^
Output controls: Click Draw System button 8Gnf_ lkI
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) *kYGXT,f]
Specific constraints: J.M&Vj:
Click Insert Specific Constraint woBx609Aak
Default display is Optical Definitions, Effective Focal Length (correct choice) 1<_/Qu>V
Enter 8.25 for Constraint Target T&b_*)=S
Click OK. K :~tZ
File > Save Lens As (new name, digcam20_opt.len) =adHP|S
Re-run View Lens window to see new lens picture. ftl?x'P%
Re-run each of the Quick Analysis windows and note scales. yO!M$aOn/
Re-run the MTF window, compare to tear-off of starting point W g6 H~x
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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) J Png !tvR
!Restore 20 Degree Digital Camera Lens Setup p :W ]
!FILE > OPEN h& }i H
RES digcam20_start.len TO"Md["GI
!Vary all radii curvature by right clicking in LDM and selecting VARY y) CvlI
!HINT: for curvatures highlight all and select vary. Then go back and _*Z3,*~"X
!freeze stop surface radius. TB+k[UxB
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 `8RKpZv&
!Vary all thicknesses by same method. Do not select surface with solve since ()O&O+R|)
!varying this surface will delete solve. If mistake, use UNDO or go to ,u PcQ
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve nw%`CnzT
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 [0]A-#J
THC S8 0 !Don't forget to vary the image distance which calculates best `& OX|mL^w
!best real-ray focus from paraxial image plane !Hl] &
!Vary glass by highlighting, right clicking, and selecting Vary 0Bh cXH t
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN $/;K<*O$
AUT '@ Rk#=85Z
EFL Z1 = 8.25 !Effective Focal Length Constraint BI %XF
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MNT 0.8 !Minimum Center Thickness General Constraint vB{i w}Hi!
MNE 0.5 !Minimum Edge Thickness General Constraint ~?HK,` 0h>
DRA S1..I YES !Draw a picture of lens system at each cycle {B4qeG5
GO "`4ky ]
!Reanalyze the system. Make sure to "Tear Off" original analysis before ( tg9"C
!re-executing to compare optimized system Dd pcov
!Re-execute Drawing 2b^Fz0
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GO 2Ki _d
!Re-execute MTF S)j( %g
MTF 09jE7g @X}
MFR 68 Y<irNp9
IFR 17 ~~-VScG&
GO 2%`=
LGQC
!Re-execute Field (Distortion) Analysis oeZuvPCl
FIE Abt<23$h
GO OoH-E.lp
!Save Lens FILE > SAVE LENS AS... }^&f {
SAV digcam20_opt
