主要是看人家的操作步骤,想学命令的人请看，十分有用 3`V #ImV>
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) n2<#]2h
Display > View Lens (accept defaults, click OK, keep window open) 6gUcoDD
In LDM spreadsheet, select surfaces 1 to Image hrLPy V:
Choose Edit > Default Variables, then click in any cell to unselect the range zkFx2(Hq-f
Right click in each cell and choose Vary for f$\gm+&hXE
Thickness of surfaces 1, 4, 6 l!6^xMhYk
Glass of surfaces 1, 4, 6 #x) lN
File > Save Lens ;>#YOxPl
Using Quick Analysis tool bar, click… )U>JFgpIW
Quick Spot Diagram (note scale) HY
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Quick Ray Aberration Plot (note scale) e.8(tEqZ1
Quick Field Plot (note scales and maximum distortion value) *^]lFuX\&E
Analysis > Diffraction > MTF . fZ*N/
Freq/Calc Tab: Maximum 68, Increment 17 =3~u.iq$
Graphics tab: Max plot freq 68 j HP6d =
Click OK (keep window open, tear off starting MTF graph for later comparison) zOV.cI6fZz
Optimization > Automatic Design !N, Oe<
Output controls: Click Draw System button #M9rt ~4
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ;@I4[4ph}
Specific constraints: "JHd F&
Click Insert Specific Constraint 5*Wo/%#q
Default display is Optical Definitions, Effective Focal Length (correct choice) D7| =ev
Enter 8.25 for Constraint Target (T0%oina
Click OK. X >0$zE@0
File > Save Lens As (new name, digcam20_opt.len) y":Y$v,P
Re-run View Lens window to see new lens picture. nhbCk6Y5LZ
Re-run each of the Quick Analysis windows and note scales. ZS@ Gt
Re-run the MTF window, compare to tear-off of starting point . BaU}-5
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以下直接复制到命令行即可出最终结果 aGUKpYF
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! Command inputs for Workshop 2-2 (for reference) D^R=
!Restore 20 Degree Digital Camera Lens Setup 2YU-iipdOq
!FILE > OPEN nDt1oM
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RES digcam20_start.len YPq4VX,
!Vary all radii curvature by right clicking in LDM and selecting VARY \( S69@ f
!HINT: for curvatures highlight all and select vary. Then go back and mBp3_E.t
!freeze stop surface radius. |U~m8e&:
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 !uoQLiH+
!Vary all thicknesses by same method. Do not select surface with solve since n!nXM
!varying this surface will delete solve. If mistake, use UNDO or go to 'G6M:IXno
!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 R:Pw@
THC S8 0 !Don't forget to vary the image distance which calculates best Y? 1
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!best real-ray focus from paraxial image plane 2HxT+|~d6
!Vary glass by highlighting, right clicking, and selecting Vary |zJxR_)
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 }D/O cp~o
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Q9Y$x{R&
AUT IvW%n(a8^
EFL Z1 = 8.25 !Effective Focal Length Constraint eU[f6OGqC
MNT 0.8 !Minimum Center Thickness General Constraint ,KM-DCwcG
MNE 0.5 !Minimum Edge Thickness General Constraint E3p3DM0F$
DRA S1..I YES !Draw a picture of lens system at each cycle sHt
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GO fmDn1N-bG
!Reanalyze the system. Make sure to "Tear Off" original analysis before F(yx/W>Br_
!re-executing to compare optimized system xaM?
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!Re-execute Drawing $r>\y (W
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GO E[z8;A^: 0
!Re-execute MTF O%w"bEr)N
MTF |=dm xfj@
MFR 68 H
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IFR 17 T)!$-qdz/
GO yMJ Y6$Ct
!Re-execute Field (Distortion) Analysis c@+ ;4Iz
FIE ^KKU@ab9
GO I3{koI
!Save Lens FILE > SAVE LENS AS... Vy+%sG
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SAV digcam20_opt
