主要是看人家的操作步骤,想学命令的人请看，十分有用 )KvQ aC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ;jb+ x5t
Display > View Lens (accept defaults, click OK, keep window open) v&: R {
In LDM spreadsheet, select surfaces 1 to Image dm4dT59
Choose Edit > Default Variables, then click in any cell to unselect the range I<Vh
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Right click in each cell and choose Vary for ]stAC3
Thickness of surfaces 1, 4, 6 nLZT3`@~,
Glass of surfaces 1, 4, 6 eit>4xMu
File > Save Lens 8e_ITqV%
Using Quick Analysis tool bar, click… a8fLj
Quick Spot Diagram (note scale) 7 R1;'/;
Quick Ray Aberration Plot (note scale) x)@G+I \u
Quick Field Plot (note scales and maximum distortion value) |qra.\
Analysis > Diffraction > MTF M5OH-'
Freq/Calc Tab: Maximum 68, Increment 17 m
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Graphics tab: Max plot freq 68 w} Q|*!?_
Click OK (keep window open, tear off starting MTF graph for later comparison) F8 4LMk?U
Optimization > Automatic Design m9^ ? p
Output controls: Click Draw System button Zxw>|eKI>D
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) h#bpog
Specific constraints: IQK__)
Click Insert Specific Constraint -CW$p=y}
Default display is Optical Definitions, Effective Focal Length (correct choice) p-U'5<n
Enter 8.25 for Constraint Target 7Kx3G{5ja
Click OK. >M7e'}0 ;
File > Save Lens As (new name, digcam20_opt.len) >mI-h
Re-run View Lens window to see new lens picture. U4*5o~! =S
Re-run each of the Quick Analysis windows and note scales. 45` Gv
Re-run the MTF window, compare to tear-off of starting point l7 D/ ]&
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以下直接复制到命令行即可出最终结果 'Mjbvh4
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! Command inputs for Workshop 2-2 (for reference) Z iDmx-X
!Restore 20 Degree Digital Camera Lens Setup (bo{v X
!FILE > OPEN h+$1+Es
RES digcam20_start.len tq9t(0EL
!Vary all radii curvature by right clicking in LDM and selecting VARY 8<u_ wt@
!HINT: for curvatures highlight all and select vary. Then go back and ;2RCgX!'%
!freeze stop surface radius. 5v8&C2Jy@
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 {m}B=u
!Vary all thicknesses by same method. Do not select surface with solve since ^r=#HQGt
!varying this surface will delete solve. If mistake, use UNDO or go to kl[bDb1p
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ?Gr<9e2Eo
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 #m9V) 1"wB
THC S8 0 !Don't forget to vary the image distance which calculates best z x{\SU
!best real-ray focus from paraxial image plane 6m2 1Y 8N
!Vary glass by highlighting, right clicking, and selecting Vary =Fea vyx
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 5} e-~-
!Optimize OPTIMIZATION > AUTOMATIC DESIGN GpF, =:
AUT C78d 29
EFL Z1 = 8.25 !Effective Focal Length Constraint e*vSGT$KgL
MNT 0.8 !Minimum Center Thickness General Constraint ihH!"HH+
MNE 0.5 !Minimum Edge Thickness General Constraint GMOv$Tn-_L
DRA S1..I YES !Draw a picture of lens system at each cycle ]\P
GO [AR$Sw60
!Reanalyze the system. Make sure to "Tear Off" original analysis before ?A Y596
!re-executing to compare optimized system $y=sT({VVe
!Re-execute Drawing
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VIE =}7wpTc,
GO Xu HJy
!Re-execute MTF R|t.wawCo
MTF )+w0NhJw
MFR 68 O\OG~`HBN
IFR 17 z[q M2
GO ~ "Ek X
!Re-execute Field (Distortion) Analysis 6?}8z
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FIE 7"4|`y^#
GO Q*$x!q
!Save Lens FILE > SAVE LENS AS... !l6B_[!@
SAV digcam20_opt
