主要是看人家的操作步骤,想学命令的人请看，十分有用 K%/g!t)
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) |@)jS.Bn
Display > View Lens (accept defaults, click OK, keep window open) ck8Qs08
In LDM spreadsheet, select surfaces 1 to Image ?;go5f+X
Choose Edit > Default Variables, then click in any cell to unselect the range +ZRm1q
Right click in each cell and choose Vary for g;y*F;0@
Thickness of surfaces 1, 4, 6 M!\6Fl{ b
Glass of surfaces 1, 4, 6 JOki4N
File > Save Lens QmsS,Zljo
Using Quick Analysis tool bar, click… _%aT3C}k
Quick Spot Diagram (note scale) {|Fn<&G
Quick Ray Aberration Plot (note scale) 4{ "
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Quick Field Plot (note scales and maximum distortion value) SN#N$] y5s
Analysis > Diffraction > MTF yGb^k R}d
Freq/Calc Tab: Maximum 68, Increment 17 AE%zqvp>
Graphics tab: Max plot freq 68 J
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Click OK (keep window open, tear off starting MTF graph for later comparison) 4WQ
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Optimization > Automatic Design * @&V=l
Output controls: Click Draw System button c$)!02
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) }cg 1CT5
Specific constraints: +# g4Crb
Click Insert Specific Constraint 0-U%R)Q
Default display is Optical Definitions, Effective Focal Length (correct choice) o(xt%'L`t
Enter 8.25 for Constraint Target 6Kd,( DI
Click OK. Uql7s:!,U
File > Save Lens As (new name, digcam20_opt.len) hQDl&A
Re-run View Lens window to see new lens picture. mzTM&@
Re-run each of the Quick Analysis windows and note scales. 0&2&F=fOa<
Re-run the MTF window, compare to tear-off of starting point mmEe@-lE
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以下直接复制到命令行即可出最终结果 diF2:80o
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! Command inputs for Workshop 2-2 (for reference) }h\]0'S~J~
!Restore 20 Degree Digital Camera Lens Setup T'VK Z5W
!FILE > OPEN !p4FK]B/u
RES digcam20_start.len Z`@< O%
!Vary all radii curvature by right clicking in LDM and selecting VARY :D=y<n;S+
!HINT: for curvatures highlight all and select vary. Then go back and RS f*[2
!freeze stop surface radius. y1Yrf,E
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 . A <n2-
!Vary all thicknesses by same method. Do not select surface with solve since b#_ u.vP
!varying this surface will delete solve. If mistake, use UNDO or go to b_oUG _B3]
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve m?<5-"hz
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ]N1gzHa S
THC S8 0 !Don't forget to vary the image distance which calculates best `~ R%}ID
!best real-ray focus from paraxial image plane 1$ {Cwb/F
!Vary glass by highlighting, right clicking, and selecting Vary c(!{_+q"
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 @!Q\|
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN u_ym=N57`
AUT `z`"0;,7S
EFL Z1 = 8.25 !Effective Focal Length Constraint <ApzcyC
MNT 0.8 !Minimum Center Thickness General Constraint ) Ft>X9$
MNE 0.5 !Minimum Edge Thickness General Constraint > J@ hqW
DRA S1..I YES !Draw a picture of lens system at each cycle Z_?r5M;
GO ^2!l/(?
!Reanalyze the system. Make sure to "Tear Off" original analysis before Vu1X@@z
!re-executing to compare optimized system A(qy>x-BI
!Re-execute Drawing 0D48L5kH#'
VIE %%k`+nK~
GO ~,P."
!Re-execute MTF uVV;"LVK~
MTF n gQ]
MFR 68 >t}0o$\?E
IFR 17 n/ - d56
GO m=%WA5c?
!Re-execute Field (Distortion) Analysis u6u1>
FIE {t<U :*n2
GO k/}E(_e
!Save Lens FILE > SAVE LENS AS... twJ)h :!_y
SAV digcam20_opt
