主要是看人家的操作步骤,想学命令的人请看,十分有用 9cUa@;*1
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) @4D{lb"{
Display > View Lens (accept defaults, click OK, keep window open) u '/)l}
In LDM spreadsheet, select surfaces 1 to Image 0 p?AL=
Choose Edit > Default Variables, then click in any cell to unselect the range 11YJW-V
Right click in each cell and choose Vary for >X
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Thickness of surfaces 1, 4, 6 C}pm>(F~
Glass of surfaces 1, 4, 6 *4Ldh}S!
File > Save Lens R y#C#0
Using Quick Analysis tool bar, click… iB"ji4[z
Quick Spot Diagram (note scale) Btm_S\1
Quick Ray Aberration Plot (note scale) 83SK<V6
Quick Field Plot (note scales and maximum distortion value) 9Dgs
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Analysis > Diffraction > MTF ~/9RSdv7
Freq/Calc Tab: Maximum 68, Increment 17 ` =P_ed%&'
Graphics tab: Max plot freq 68 op5`#{
Click OK (keep window open, tear off starting MTF graph for later comparison) \20}/&
Optimization > Automatic Design 5cinI^x)f
Output controls: Click Draw System button ~F@n `!c
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 3
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Specific constraints: } `Ya;
Click Insert Specific Constraint r6'dEa
Default display is Optical Definitions, Effective Focal Length (correct choice) 1 =C12
Enter 8.25 for Constraint Target NWvIwt{
Click OK. 7xv9v1['
File > Save Lens As (new name, digcam20_opt.len) YCh`V[0
Re-run View Lens window to see new lens picture. MiIxj%,(
Re-run each of the Quick Analysis windows and note scales. ;"x+V gS'
Re-run the MTF window, compare to tear-off of starting point |xcC'1WU
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以下直接复制到命令行即可出最终结果 (C#0
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! Command inputs for Workshop 2-2 (for reference) ?L7DVwVa,I
!Restore 20 Degree Digital Camera Lens Setup (0b\%;}
!FILE > OPEN
-43>?m/a
RES digcam20_start.len R|M]mwa^w
!Vary all radii curvature by right clicking in LDM and selecting VARY Ca5#'3Eh
!HINT: for curvatures highlight all and select vary. Then go back and P.@dB.Ny
!freeze stop surface radius. (w)%2vZ^
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 =<3HOOC
!Vary all thicknesses by same method. Do not select surface with solve since 8R!-,I"$
!varying this surface will delete solve. If mistake, use UNDO or go to v$Fz^<Na
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve aH?Ygzw
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 n19A>,m
THC S8 0 !Don't forget to vary the image distance which calculates best `1(ED= |
!best real-ray focus from paraxial image plane =3QhGFd
!Vary glass by highlighting, right clicking, and selecting Vary $V!.z%Vgf
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 W j^@Zq#
!Optimize OPTIMIZATION > AUTOMATIC DESIGN g/!MEOVx
AUT qX5>[qf-
EFL Z1 = 8.25 !Effective Focal Length Constraint CU\gx*=E
MNT 0.8 !Minimum Center Thickness General Constraint 1b3k|s4
MNE 0.5 !Minimum Edge Thickness General Constraint 1g{}O^ul
DRA S1..I YES !Draw a picture of lens system at each cycle 'Xj^cX
GO LX7P?j
!Reanalyze the system. Make sure to "Tear Off" original analysis before tm.60udbo
!re-executing to compare optimized system +5*bU1}O
!Re-execute Drawing \{:A&X~\!
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GO 9X 4[Zk
!Re-execute MTF B2Y.1mXq
MTF tt?`,G.(]
MFR 68 )~=8Ssu
IFR 17 \^"Vqx
GO c.Sd~k:3
!Re-execute Field (Distortion) Analysis Vf pT5W<
FIE c.Hw
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GO j AOy3c
!Save Lens FILE > SAVE LENS AS... ~k"b"+2
SAV digcam20_opt