主要是看人家的操作步骤,想学命令的人请看，十分有用 -r#X~2tPzD
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 0 - ><q
Display > View Lens (accept defaults, click OK, keep window open) 5pU2|Bk /
In LDM spreadsheet, select surfaces 1 to Image ^Y<|F!0
Choose Edit > Default Variables, then click in any cell to unselect the range r~+\
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Right click in each cell and choose Vary for C( S'#cm
Thickness of surfaces 1, 4, 6 OF%B[h&
Glass of surfaces 1, 4, 6 *eIJwXE
File > Save Lens ktnuNsp
Using Quick Analysis tool bar, click… K6y :mJYp\
Quick Spot Diagram (note scale) ~UyV<
Quick Ray Aberration Plot (note scale) H1 I{/g
Quick Field Plot (note scales and maximum distortion value) fKp#\tCc y
Analysis > Diffraction > MTF p7);uF^O%
Freq/Calc Tab: Maximum 68, Increment 17 dp++%:j
Graphics tab: Max plot freq 68 6Ztq
Click OK (keep window open, tear off starting MTF graph for later comparison) : q
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Optimization > Automatic Design i.=w]S
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Output controls: Click Draw System button pX/n)q[
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) iQ 4);du
Specific constraints: YWMGB#=
Click Insert Specific Constraint !l _lo`)
Default display is Optical Definitions, Effective Focal Length (correct choice) _nD$b={g
Enter 8.25 for Constraint Target hOFOO_byzO
Click OK. T_X6Ulp
File > Save Lens As (new name, digcam20_opt.len) {*[\'!d--.
Re-run View Lens window to see new lens picture. y'(Ne =y
Re-run each of the Quick Analysis windows and note scales. Gq_-Val]"
Re-run the MTF window, compare to tear-off of starting point ]E_h
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以下直接复制到命令行即可出最终结果 n"+ [ :w4
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! Command inputs for Workshop 2-2 (for reference) 3ia^\ jw
!Restore 20 Degree Digital Camera Lens Setup C|d\ 3S\(
!FILE > OPEN rm4.aO~-F
RES digcam20_start.len h dnTXs@z
!Vary all radii curvature by right clicking in LDM and selecting VARY {D? 50Q
!HINT: for curvatures highlight all and select vary. Then go back and ^M%uV
!freeze stop surface radius. ; l&4V
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 `Q+ (LBP
!Vary all thicknesses by same method. Do not select surface with solve since I#m-g-J
!varying this surface will delete solve. If mistake, use UNDO or go to LVc4CE
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve a^Tm u
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 TlI<1/ fP}
THC S8 0 !Don't forget to vary the image distance which calculates best ^Y u6w\QM
!best real-ray focus from paraxial image plane NM]s8cK_
!Vary glass by highlighting, right clicking, and selecting Vary BYTnrPA&Z;
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 w^L ta
!Optimize OPTIMIZATION > AUTOMATIC DESIGN &Zgh Mq ~
AUT "VkTY|a
EFL Z1 = 8.25 !Effective Focal Length Constraint KBX K0zWh7
MNT 0.8 !Minimum Center Thickness General Constraint 2H/Z _+\
MNE 0.5 !Minimum Edge Thickness General Constraint y_*PQZ$c<
DRA S1..I YES !Draw a picture of lens system at each cycle W?0 lV5/
GO j=*l$ RG
!Reanalyze the system. Make sure to "Tear Off" original analysis before T21ky>8E
!re-executing to compare optimized system HS{(v;
!Re-execute Drawing 4J;-Dq
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GO NZP.0coY
!Re-execute MTF /"
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MTF >H(i^z/c
MFR 68 `W dD8E
IFR 17 Q:|l`*.R
GO tp6M=MC%
!Re-execute Field (Distortion) Analysis @HRC \OG
FIE ' " X_B0k
GO %honO@$
!Save Lens FILE > SAVE LENS AS... 0{[m%eSK'
SAV digcam20_opt
