主要是看人家的操作步骤,想学命令的人请看，十分有用 Min^EA G@
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) erG;M! 9\
Display > View Lens (accept defaults, click OK, keep window open) /Z:\=0 `
In LDM spreadsheet, select surfaces 1 to Image xD f<@
Choose Edit > Default Variables, then click in any cell to unselect the range Bn7~ p+N
Right click in each cell and choose Vary for _T\~AwVc<
Thickness of surfaces 1, 4, 6 *k$ ":A
Glass of surfaces 1, 4, 6 \O"EK~x}/
File > Save Lens 4{d`-reHg
Using Quick Analysis tool bar, click… +4k Bd<0Y
Quick Spot Diagram (note scale) y;N[#hY#CD
Quick Ray Aberration Plot (note scale) !aSu;Ln
Quick Field Plot (note scales and maximum distortion value) LL~bq(b
Analysis > Diffraction > MTF A7~~{9
Freq/Calc Tab: Maximum 68, Increment 17 u S$:J:Drx
Graphics tab: Max plot freq 68 = O
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Click OK (keep window open, tear off starting MTF graph for later comparison) _ ,h h O
Optimization > Automatic Design OzFA>FK0f;
Output controls: Click Draw System button f
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) rPV\ F
Specific constraints: x, Im%!h
Click Insert Specific Constraint = K<8X!xUW
Default display is Optical Definitions, Effective Focal Length (correct choice) 8ODrW!o
Enter 8.25 for Constraint Target G) A5;u\P9
Click OK. P^-tGo!
File > Save Lens As (new name, digcam20_opt.len) } k[gR I ]
Re-run View Lens window to see new lens picture. b"+ J8W
Re-run each of the Quick Analysis windows and note scales. GS^U6Xef
Re-run the MTF window, compare to tear-off of starting point Y4PB&pZ$O2
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以下直接复制到命令行即可出最终结果 `TBI{q[y
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! Command inputs for Workshop 2-2 (for reference) lGa'Y
!Restore 20 Degree Digital Camera Lens Setup Nl_Sgyx,\
!FILE > OPEN p[*NekE6-
RES digcam20_start.len kLKd
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!Vary all radii curvature by right clicking in LDM and selecting VARY V$Y5 EX
!HINT: for curvatures highlight all and select vary. Then go back and %J06]FG7
!freeze stop surface radius. H26'8e
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 e Mf+b; ~R
!Vary all thicknesses by same method. Do not select surface with solve since mZVYgJQ[
!varying this surface will delete solve. If mistake, use UNDO or go to >$]SYF29
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve x\vb@!BZ
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 D. 2HM
THC S8 0 !Don't forget to vary the image distance which calculates best B]K@'#
!best real-ray focus from paraxial image plane JFx=X=C
!Vary glass by highlighting, right clicking, and selecting Vary *)c ,~R^
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 wL]7d3t
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Gc)
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AUT =N-,.{`
EFL Z1 = 8.25 !Effective Focal Length Constraint i[b?W$]7
MNT 0.8 !Minimum Center Thickness General Constraint !$'s?rnh
MNE 0.5 !Minimum Edge Thickness General Constraint Aj 06"ep
DRA S1..I YES !Draw a picture of lens system at each cycle s9 '*Vm
GO pb~&gliW
!Reanalyze the system. Make sure to "Tear Off" original analysis before Yt"&8N]
!re-executing to compare optimized system J7R+|GTcx
!Re-execute Drawing |q?I(b4 Q@
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GO <$s G]l!\
!Re-execute MTF 1]r+ $L3
MTF p&=F:-
MFR 68 | 9)Q =(
IFR 17 ,4 ftQJ
GO |[x) %5F
!Re-execute Field (Distortion) Analysis QKYGeT7&Y'
FIE dB7E&"f
GO ?^ 9TtxM
!Save Lens FILE > SAVE LENS AS... FAA qdK0
SAV digcam20_opt
