主要是看人家的操作步骤,想学命令的人请看，十分有用 &M^F A=J\
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) BXo9s~ 5Q
Display > View Lens (accept defaults, click OK, keep window open) ecy41 y'~:
In LDM spreadsheet, select surfaces 1 to Image
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Choose Edit > Default Variables, then click in any cell to unselect the range MHKB:t]hA
Right click in each cell and choose Vary for @;@Wt`(2a
Thickness of surfaces 1, 4, 6 Li\BRlebR{
Glass of surfaces 1, 4, 6 uDi# a~m@
File > Save Lens UQ 'U
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Using Quick Analysis tool bar, click… Sf0[^"7
Quick Spot Diagram (note scale) 4lfJc9 J
Quick Ray Aberration Plot (note scale) 6WnGP>tc.
Quick Field Plot (note scales and maximum distortion value) R!L KGiN
Analysis > Diffraction > MTF cZXra(AD
Freq/Calc Tab: Maximum 68, Increment 17 m =2e1wc
Graphics tab: Max plot freq 68 &g<`i{_
Click OK (keep window open, tear off starting MTF graph for later comparison) & A<Pf.Us
Optimization > Automatic Design tC -H2@
Output controls: Click Draw System button E={W^k!Vz:
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) %S<( z5
Specific constraints: T"m(V /L$W
Click Insert Specific Constraint mD p|EXN
Default display is Optical Definitions, Effective Focal Length (correct choice) o(@F37r{?
Enter 8.25 for Constraint Target u +OfUBrf
Click OK. =F}e>D
File > Save Lens As (new name, digcam20_opt.len) 4'; tMiz
Re-run View Lens window to see new lens picture. \W6 |un
Re-run each of the Quick Analysis windows and note scales. ZVek`Cc2
Re-run the MTF window, compare to tear-off of starting point 8; s$?*G i
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以下直接复制到命令行即可出最终结果 ?k:i3$
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! Command inputs for Workshop 2-2 (for reference) VgNt
!Restore 20 Degree Digital Camera Lens Setup XJ;J Dch
!FILE > OPEN ico(4KSk
RES digcam20_start.len V-w[\u
!Vary all radii curvature by right clicking in LDM and selecting VARY 2v<[XNX
!HINT: for curvatures highlight all and select vary. Then go back and o^!
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!freeze stop surface radius. ]X)EO49
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 rXz,<^Hmj
!Vary all thicknesses by same method. Do not select surface with solve since $V8B =k~
!varying this surface will delete solve. If mistake, use UNDO or go to IczEddt@'
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve '4A8\&lQO
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 r(yb%p+
THC S8 0 !Don't forget to vary the image distance which calculates best &7X0 ;<
!best real-ray focus from paraxial image plane -~h2^Oez
!Vary glass by highlighting, right clicking, and selecting Vary Om0S^4y]x
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 jL)aU> kN
!Optimize OPTIMIZATION > AUTOMATIC DESIGN T`=N^Ca1!`
AUT 2g^Kf,m
EFL Z1 = 8.25 !Effective Focal Length Constraint JqH 2c=}-
MNT 0.8 !Minimum Center Thickness General Constraint n6nwda
MNE 0.5 !Minimum Edge Thickness General Constraint N3H!ptn37
DRA S1..I YES !Draw a picture of lens system at each cycle v wzTrWA=
GO ^dP@QMly6
!Reanalyze the system. Make sure to "Tear Off" original analysis before z@ A5t4+3
!re-executing to compare optimized system
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!Re-execute Drawing +Z[%+x92
VIE /kVy#sT|
GO 9ffRY,1@
!Re-execute MTF N _r*Ig
MTF ki^[~JS>'
MFR 68 _ #l b\
IFR 17 (vjQF$Hp
GO 9#6ilF:F
!Re-execute Field (Distortion) Analysis | _~BV&g,N
FIE M )EUR0>8
GO ~%Yh`c
EP
!Save Lens FILE > SAVE LENS AS... rsP-?oD8)
SAV digcam20_opt
