主要是看人家的操作步骤,想学命令的人请看，十分有用 P IXL6
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ~m *,mz
Display > View Lens (accept defaults, click OK, keep window open) ] xd^% q*
In LDM spreadsheet, select surfaces 1 to Image KS*oxZ
Choose Edit > Default Variables, then click in any cell to unselect the range ?GBkqQ
Right click in each cell and choose Vary for E0oU$IB
Thickness of surfaces 1, 4, 6 k'_ P 7
Glass of surfaces 1, 4, 6 XR 0O;JN
File > Save Lens KLC{7"6e)
Using Quick Analysis tool bar, click… u-"c0@
Quick Spot Diagram (note scale) 2u?zO7W)-L
Quick Ray Aberration Plot (note scale) 7< 9L?F2
Quick Field Plot (note scales and maximum distortion value) ~Ki`Ze "x
Analysis > Diffraction > MTF j8 C8X$
Freq/Calc Tab: Maximum 68, Increment 17 EC<b 3
Graphics tab: Max plot freq 68 yg]2erR
Click OK (keep window open, tear off starting MTF graph for later comparison) >"3>fche
Optimization > Automatic Design * 5,c Rz
Output controls: Click Draw System button IF*&%pB
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) <5@PWrU?[[
Specific constraints: `P@- %T
Click Insert Specific Constraint _{~]/k
Default display is Optical Definitions, Effective Focal Length (correct choice) 6#A:}B<?
Enter 8.25 for Constraint Target 2=ztKfsBhE
Click OK. 5jq=_mHt
File > Save Lens As (new name, digcam20_opt.len) K t#,]]
Re-run View Lens window to see new lens picture.
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Re-run each of the Quick Analysis windows and note scales. x?D/.vrOY
Re-run the MTF window, compare to tear-off of starting point GD-&_ 6a
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以下直接复制到命令行即可出最终结果 z (c9, 3
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! Command inputs for Workshop 2-2 (for reference) )R{UXk3q}
!Restore 20 Degree Digital Camera Lens Setup 4 c'4*`I
!FILE > OPEN 7.bN99{xPM
RES digcam20_start.len *@ED}Mj+
!Vary all radii curvature by right clicking in LDM and selecting VARY U\+&cob.
!HINT: for curvatures highlight all and select vary. Then go back and 6gOe!m m
!freeze stop surface radius. oN(-rWdhZ
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ED} 31L
!Vary all thicknesses by same method. Do not select surface with solve since u~Tg&0V30
!varying this surface will delete solve. If mistake, use UNDO or go to [;O^[Iybf:
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve f"&Xr!b.h
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 UBO^EVJ
THC S8 0 !Don't forget to vary the image distance which calculates best YnV/M,U
!best real-ray focus from paraxial image plane ?a/n< V '
!Vary glass by highlighting, right clicking, and selecting Vary \)m"3y Y
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ZI ?W5ISdg
!Optimize OPTIMIZATION > AUTOMATIC DESIGN PI5j"u UO
AUT k5+]SG`] ]
EFL Z1 = 8.25 !Effective Focal Length Constraint j
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MNT 0.8 !Minimum Center Thickness General Constraint EEf ]u7
MNE 0.5 !Minimum Edge Thickness General Constraint $M"0BZQ?y!
DRA S1..I YES !Draw a picture of lens system at each cycle r{+aeLu
GO L *?!Z^k
!Reanalyze the system. Make sure to "Tear Off" original analysis before G5]1s
!re-executing to compare optimized system #I`ms$j%
!Re-execute Drawing 8V4V3^_xs
VIE VGH/X.NJ
GO <xS=#
!Re-execute MTF -.v DF?@G
MTF F}ukZ
DB
MFR 68 xQt 3[(Z
IFR 17 >R,?hW T
GO ACBQ3
!Re-execute Field (Distortion) Analysis {w`:KR6o7
FIE _py2kjA6
GO J m e%
!Save Lens FILE > SAVE LENS AS... 9]_GNk-D
SAV digcam20_opt
