主要是看人家的操作步骤,想学命令的人请看，十分有用 o4 K ~
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 3TY5 ;6
Display > View Lens (accept defaults, click OK, keep window open) ,}EC F>
In LDM spreadsheet, select surfaces 1 to Image iB%gPoDCL@
Choose Edit > Default Variables, then click in any cell to unselect the range e%@~MQ-
Right click in each cell and choose Vary for 1^7hf;|#g
Thickness of surfaces 1, 4, 6 }NzpiY9
Glass of surfaces 1, 4, 6 pgE}NlW
File > Save Lens ,+meT`'vn
Using Quick Analysis tool bar, click… zxbpEJzpn
Quick Spot Diagram (note scale) OZ
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Quick Ray Aberration Plot (note scale) *KV0%)}sbL
Quick Field Plot (note scales and maximum distortion value) XINu=N(g
Analysis > Diffraction > MTF O&4SCVZp
Freq/Calc Tab: Maximum 68, Increment 17 b \$}>O
Graphics tab: Max plot freq 68 :UF%K>k2
Click OK (keep window open, tear off starting MTF graph for later comparison) Z{ X|6.
Optimization > Automatic Design {B? Wu3-
Output controls: Click Draw System button Jrti
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) E[@ u
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Specific constraints: {=!b/l;@
Click Insert Specific Constraint $c:ynjL|P-
Default display is Optical Definitions, Effective Focal Length (correct choice) VC\ S'z
Enter 8.25 for Constraint Target ]
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Click OK. MGR!Z@ 1y
File > Save Lens As (new name, digcam20_opt.len) C)@y5. G;
Re-run View Lens window to see new lens picture. 6@{(;~r
Re-run each of the Quick Analysis windows and note scales. uW@oyZUj
Re-run the MTF window, compare to tear-off of starting point j.w@(<=x
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以下直接复制到命令行即可出最终结果 (Pf+0,2
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! Command inputs for Workshop 2-2 (for reference) k.vBj~xU
!Restore 20 Degree Digital Camera Lens Setup sk,o x~0R
!FILE > OPEN vq^ f }id
RES digcam20_start.len wV icyiY]
!Vary all radii curvature by right clicking in LDM and selecting VARY *W0y: 3dB3
!HINT: for curvatures highlight all and select vary. Then go back and 6K-_pg]
!freeze stop surface radius. s.N7qO^:E
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ![YX]+jqNp
!Vary all thicknesses by same method. Do not select surface with solve since 5 NS[dQG5
!varying this surface will delete solve. If mistake, use UNDO or go to K?B{rE Lp
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve OjJXysslXO
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 86 W9rR
THC S8 0 !Don't forget to vary the image distance which calculates best ]h* c,.
!best real-ray focus from paraxial image plane 5iz{op<$,
!Vary glass by highlighting, right clicking, and selecting Vary :PIF07$xl
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 8\^}~s$$A
!Optimize OPTIMIZATION > AUTOMATIC DESIGN u frW\X
AUT 7n8~K3~;
EFL Z1 = 8.25 !Effective Focal Length Constraint 4C<j dv_J
MNT 0.8 !Minimum Center Thickness General Constraint 7
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MNE 0.5 !Minimum Edge Thickness General Constraint WQ[_hg| k
DRA S1..I YES !Draw a picture of lens system at each cycle h]+C.Eqnt#
GO }!"A! ~&
!Reanalyze the system. Make sure to "Tear Off" original analysis before -8:&>~4`
!re-executing to compare optimized system @kpv{`Y
!Re-execute Drawing =XucOli6
VIE Q&wB $*u
GO %{ AO+u2i
!Re-execute MTF qq) rd
MTF z=rT%lz6
MFR 68 Ir`eL
IFR 17 kbTm^y"
GO @ezH 'y-v
!Re-execute Field (Distortion) Analysis <49K>S9O
FIE cik! GA
GO WHsgjvh"
!Save Lens FILE > SAVE LENS AS... zEd0Tmt
SAV digcam20_opt
