主要是看人家的操作步骤,想学命令的人请看，十分有用 HZC"nb}r4
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) C=L>zOZ
Display > View Lens (accept defaults, click OK, keep window open) O|{d[ eX
In LDM spreadsheet, select surfaces 1 to Image 4K#>f4(U`g
Choose Edit > Default Variables, then click in any cell to unselect the range 5h=} j
Right click in each cell and choose Vary for .+3g*Dv{&
Thickness of surfaces 1, 4, 6 1 ~Y< //5E
Glass of surfaces 1, 4, 6 q s6]-
File > Save Lens :Uzm
Using Quick Analysis tool bar, click… @]%IK(|
Quick Spot Diagram (note scale) RUnSC OdX
Quick Ray Aberration Plot (note scale) 6$Xzp g(o
Quick Field Plot (note scales and maximum distortion value) S]e|"n~@
Analysis > Diffraction > MTF WdH$JTk1
Freq/Calc Tab: Maximum 68, Increment 17 eCU:Q
Graphics tab: Max plot freq 68 ifMRryN4
Click OK (keep window open, tear off starting MTF graph for later comparison) 1QcNp (MO
Optimization > Automatic Design GX!G >
Output controls: Click Draw System button a
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ~*&H$6NJS
Specific constraints: -8ywO"6
Click Insert Specific Constraint u^ +7hkk
Default display is Optical Definitions, Effective Focal Length (correct choice) X"|['t
Enter 8.25 for Constraint Target EPI4 !3]
Click OK. 9iIhte.
File > Save Lens As (new name, digcam20_opt.len) m<T%Rb4?@
Re-run View Lens window to see new lens picture. %op**@4/t\
Re-run each of the Quick Analysis windows and note scales. 1y@i}<9F
Re-run the MTF window, compare to tear-off of starting point ,i?nWlh+
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以下直接复制到命令行即可出最终结果 >reU#j
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! Command inputs for Workshop 2-2 (for reference) c \J:![x
!Restore 20 Degree Digital Camera Lens Setup #?U}&Bd
!FILE > OPEN sQHv%]s 0
RES digcam20_start.len F4-$~ v@
!Vary all radii curvature by right clicking in LDM and selecting VARY 8?#/o c
!HINT: for curvatures highlight all and select vary. Then go back and L2[($ l
!freeze stop surface radius. YN yk1cE
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 I#Y22&G1
!Vary all thicknesses by same method. Do not select surface with solve since hP%M?M KC
!varying this surface will delete solve. If mistake, use UNDO or go to [\98$BN
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]KKS"0a
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 5K1)1E/Fu
THC S8 0 !Don't forget to vary the image distance which calculates best &v/dj@
!best real-ray focus from paraxial image plane %ufN8w!p
!Vary glass by highlighting, right clicking, and selecting Vary >^?u
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 %8 B}Cb&2c
!Optimize OPTIMIZATION > AUTOMATIC DESIGN YlJ@XpKM
AUT \$~|ZwV{
EFL Z1 = 8.25 !Effective Focal Length Constraint #1A.?p
MNT 0.8 !Minimum Center Thickness General Constraint 2G & a{
MNE 0.5 !Minimum Edge Thickness General Constraint }<0BX \@I
DRA S1..I YES !Draw a picture of lens system at each cycle D
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GO 7FP*oN?
!Reanalyze the system. Make sure to "Tear Off" original analysis before Tt`u:ZwhF
!re-executing to compare optimized system ~f&E7su-6+
!Re-execute Drawing 1Z /(G1
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GO hE'-is@7
!Re-execute MTF 3 8Mv25N
MTF >;aWz%-
MFR 68 P-9)38`5
IFR 17 ]Grek<
GO htO +z7
!Re-execute Field (Distortion) Analysis r..iko]T
FIE o=:9y-nH
GO r!|6:G+Q
!Save Lens FILE > SAVE LENS AS... :DK {Vg6
SAV digcam20_opt
