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| longlllooo | 2006-03-27 20:24 |  
| 主要是看人家的操作步骤,想学命令的人请看,十分有用 QA?oJ_}y File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ;b0NGa(k
 Display > View Lens (accept defaults, click OK, keep window open) 	Y3Oz'%B
 In LDM spreadsheet, select surfaces 1 to Image 
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 Choose Edit > Default Variables, then click in any cell to unselect the range V'pqxjfd
 Right click in each cell and choose Vary for |^a;77nE_^
 Thickness of surfaces 1, 4, 6 Fky?\ec
 Glass of surfaces 1, 4, 6 5M F#&v
 File > Save Lens wRvb8F0
 Using Quick Analysis tool bar, click… ,<`)>2	'o
 Quick Spot Diagram (note scale) QkQ!Ep(
 Quick Ray Aberration Plot (note scale) ~F!,PM/
 Quick Field Plot (note scales and maximum distortion value) 
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 Analysis > Diffraction > MTF BPv>$
m+.
 Freq/Calc Tab: Maximum 68, Increment 17 CvDxq:x
 Graphics tab: Max plot freq 68 UvJ;A
 Click OK (keep window open, tear off starting MTF graph for later comparison) ny*i+4Mb
 Optimization > Automatic Design $B (kZ
 Output controls: Click Draw System button F<|t\KOW
 General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) n3KI+I%nQ
 Specific constraints: /=: j9FF
 Click Insert Specific Constraint ,$lemH1d
 Default display is Optical Definitions, Effective Focal Length (correct choice) zjl!9M!
 Enter 8.25 for Constraint Target %, P>%'0
 Click OK. kmPYx)o
 File > Save Lens As (new name, digcam20_opt.len) pUYM}&dX
 Re-run View Lens window to see new lens picture. Fc 6iQ
 Re-run each of the Quick Analysis windows and note scales. 12UD19!
 Re-run the MTF window, compare to tear-off of starting point aYn^)6^
 ---------------------------------------------------------------------------------------------- j5$GFi\kB
 以下直接复制到命令行即可出最终结果 E_T2z4lw
 ---------------------------------------------------------------------------------------------- YHXLv#8
 ! Command inputs for Workshop 2-2 (for reference) i^msjA
 !Restore 20 Degree Digital Camera Lens Setup YJeyIYCs<
 !FILE > OPEN  6%G-Vs]*2
 RES digcam20_start.len 	!69&Ld
 !Vary all radii curvature by right clicking in LDM and selecting VARY IxZb$h[
 !HINT: for curvatures highlight all and select vary. Then go back and C1kYl0zR[
 !freeze stop surface radius. GL$De,V
 CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 =c.5874A`
 !Vary all thicknesses by same method. Do not select surface with solve since  2,q}Nq
 !varying this surface will delete solve. If mistake, use UNDO or go to avQJPB)}Sb
 !LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve g4p
 THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 )kXhtjOl|
 THC S8 0 !Don't forget to vary the image distance which calculates best $;N* c H~
 !best real-ray focus from paraxial image plane 	^TY;Zp
 !Vary glass by highlighting, right clicking, and selecting Vary H,unpZ(
 GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 \y`+B*\i
 !Optimize OPTIMIZATION > AUTOMATIC DESIGN =@&cH Y
 AUT EOj"V'!
 EFL Z1 = 8.25 !Effective Focal Length Constraint D,v	U
 MNT 0.8 !Minimum Center Thickness General Constraint dO>	 VwP
 MNE 0.5 !Minimum Edge Thickness General Constraint CC=d	I
 DRA S1..I YES !Draw a picture of lens system at each cycle *iBTI+"]
 GO Hmt^h(*/2
 !Reanalyze the system. Make sure to "Tear Off" original analysis before nn/?fIZN4
 !re-executing to compare optimized system {%lXY Myu
 !Re-execute Drawing >{gPN"S"a
 VIE sV"UI
 GO g[RI.&?
 !Re-execute MTF R0ID2:i]F
 MTF Z;Ez"t&U
 MFR 68 V&8VwF^-
 IFR 17 c#-U%qZ
 GO !U9|x\BqJ2
 !Re-execute Field (Distortion) Analysis )c	n+1R
 FIE KqBk~-G
 GO 3~ S'LxV
 !Save Lens FILE > SAVE LENS AS... y&}E~5O
 SAV digcam20_opt
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