主要是看人家的操作步骤,想学命令的人请看，十分有用 ) u Hat#
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 6O{QmB0KK
Display > View Lens (accept defaults, click OK, keep window open) @-S7)h>~
In LDM spreadsheet, select surfaces 1 to Image <tbs,lcw;
Choose Edit > Default Variables, then click in any cell to unselect the range Tdh.U {Nz
Right click in each cell and choose Vary for Z7 2%Bv
Thickness of surfaces 1, 4, 6 qpe9?`vVX
Glass of surfaces 1, 4, 6 Uz_ob9l<#H
File > Save Lens xI ?'Nh
Using Quick Analysis tool bar, click… ;hq_}.
Quick Spot Diagram (note scale) \[{8E}_"^
Quick Ray Aberration Plot (note scale) Z1q<) O1QX
Quick Field Plot (note scales and maximum distortion value) }rmr0Bh
Analysis > Diffraction > MTF :!Q(v(M
Freq/Calc Tab: Maximum 68, Increment 17 Xk%eU>d
Graphics tab: Max plot freq 68 K\Q4u4DjbJ
Click OK (keep window open, tear off starting MTF graph for later comparison) F~eYPaEKy!
Optimization > Automatic Design i`l;k~rP
Output controls: Click Draw System button F%y#)53g
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) xM<aQf\j
Specific constraints: XkqsL0\
Click Insert Specific Constraint I/St=-;
Default display is Optical Definitions, Effective Focal Length (correct choice) X1B)(|7$
Enter 8.25 for Constraint Target ,/p+#|>C=
Click OK. o<48' > [
File > Save Lens As (new name, digcam20_opt.len) uaP5(hUI
Re-run View Lens window to see new lens picture. -:_3N2U=+
Re-run each of the Quick Analysis windows and note scales. V_$<^z|
Re-run the MTF window, compare to tear-off of starting point j07A>G-=
---------------------------------------------------------------------------------------------- <Ffru?o4j
以下直接复制到命令行即可出最终结果 >?JUGXAi'{
---------------------------------------------------------------------------------------------- '@KH@~OzRS
! Command inputs for Workshop 2-2 (for reference) aO inD
!Restore 20 Degree Digital Camera Lens Setup #s\yO~F-
!FILE > OPEN q m_r~j
RES digcam20_start.len :yJ#yad
!Vary all radii curvature by right clicking in LDM and selecting VARY l =P)$O|=w
!HINT: for curvatures highlight all and select vary. Then go back and 3%9XJ]Qao
!freeze stop surface radius. t3.;qDy
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 )g8Kicox5
!Vary all thicknesses by same method. Do not select surface with solve since =[aiW|Y
!varying this surface will delete solve. If mistake, use UNDO or go to \>oy2{=;'
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve _M8'~$Sg
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 voRb>xF
THC S8 0 !Don't forget to vary the image distance which calculates best "\+\,C
!best real-ray focus from paraxial image plane |AExaO"jk
!Vary glass by highlighting, right clicking, and selecting Vary %8 DI)n#H
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 X^&--@l}T!
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 0[Yks NNl1
AUT ,\+N}F^
EFL Z1 = 8.25 !Effective Focal Length Constraint mDA+
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MNT 0.8 !Minimum Center Thickness General Constraint @||nd,i`n~
MNE 0.5 !Minimum Edge Thickness General Constraint be-HF;lZe'
DRA S1..I YES !Draw a picture of lens system at each cycle "u sPzp5
GO ib> ~3s;
!Reanalyze the system. Make sure to "Tear Off" original analysis before dlZ2iDQ%
!re-executing to compare optimized system Zr6.Nw
!Re-execute Drawing PL31(!`@d
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GO h~ %8p
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!Re-execute MTF )J yB
MTF Rc9>^>w
MFR 68 ,qB@agjvo<
IFR 17 < ir]bQT
GO Xep2 )3k>
!Re-execute Field (Distortion) Analysis [q0^Bn}h
FIE >*B59+1P
GO *e:I*L
!Save Lens FILE > SAVE LENS AS... (u@X 5O(a
SAV digcam20_opt
