主要是看人家的操作步骤,想学命令的人请看，十分有用 *ULXJZ%
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) !j(R _wOq
Display > View Lens (accept defaults, click OK, keep window open) 4#o` - vcW
In LDM spreadsheet, select surfaces 1 to Image fR bV c
Choose Edit > Default Variables, then click in any cell to unselect the range N7[~Y2i
Right click in each cell and choose Vary for a P`;Nr=
Thickness of surfaces 1, 4, 6 *Q)+Y&qn
Glass of surfaces 1, 4, 6 yO !*pC
File > Save Lens D=8=wT2 <
Using Quick Analysis tool bar, click… S +H e
Quick Spot Diagram (note scale) ow&R~_
Quick Ray Aberration Plot (note scale) /<n_X:[)
Quick Field Plot (note scales and maximum distortion value) cD 1p5U
Analysis > Diffraction > MTF 3[c54S+(U
Freq/Calc Tab: Maximum 68, Increment 17 n 4ISHxM
Graphics tab: Max plot freq 68 -+z^{*\; N
Click OK (keep window open, tear off starting MTF graph for later comparison) (* p |Kzu
Optimization > Automatic Design n9#@
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Output controls: Click Draw System button {BF$N#7
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) )t|M)z J
Specific constraints: Mqna0"IYx*
Click Insert Specific Constraint 8.vD ]hO
Default display is Optical Definitions, Effective Focal Length (correct choice) ej0q* TH.
Enter 8.25 for Constraint Target 2 nf{2edC
Click OK. v"^G9u
File > Save Lens As (new name, digcam20_opt.len) rtPQ:CaA)?
Re-run View Lens window to see new lens picture. ZqScz S7uf
Re-run each of the Quick Analysis windows and note scales. >B iJ/[9
Re-run the MTF window, compare to tear-off of starting point c c@y
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以下直接复制到命令行即可出最终结果 $:>K-4X\}
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! Command inputs for Workshop 2-2 (for reference) 5YR a2#d
!Restore 20 Degree Digital Camera Lens Setup 1v`*%95
!FILE > OPEN w|N LK
RES digcam20_start.len T8v>J4@t
!Vary all radii curvature by right clicking in LDM and selecting VARY q$\KE4v "
!HINT: for curvatures highlight all and select vary. Then go back and ZM\Z2L]n
!freeze stop surface radius. Wu: evaZ:i
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 5B a e HzI
!Vary all thicknesses by same method. Do not select surface with solve since f-
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!varying this surface will delete solve. If mistake, use UNDO or go to LnLuWr<;}
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve #Hq XC\~n
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Ug/b;( dJ'
THC S8 0 !Don't forget to vary the image distance which calculates best Qax=_[r
!best real-ray focus from paraxial image plane 0DGXMO$;
!Vary glass by highlighting, right clicking, and selecting Vary :X+7}!Wlo
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 y<kW2 <?
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Fvg>>HVu
AUT h/5.>[VwDh
EFL Z1 = 8.25 !Effective Focal Length Constraint >]FRHJo_
MNT 0.8 !Minimum Center Thickness General Constraint li (g?|AD
MNE 0.5 !Minimum Edge Thickness General Constraint U4Il1|
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DRA S1..I YES !Draw a picture of lens system at each cycle Zhf+u
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GO ^`ny]3JA
!Reanalyze the system. Make sure to "Tear Off" original analysis before iXI > >9
!re-executing to compare optimized system 0ZTT^2R
!Re-execute Drawing n%A)#AGGc
VIE \#L}KW
GO !?,rcgi
!Re-execute MTF ]e!9{\X,*
MTF Ww:,O48%
MFR 68 r"c<15g2'
IFR 17 &iez{[O
GO
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!Re-execute Field (Distortion) Analysis OLTgB Xh
FIE g6MK~JG$?h
GO n' &:c}zKO
!Save Lens FILE > SAVE LENS AS... 5*C#~gd& F
SAV digcam20_opt
