| 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 wRvb8F 0
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>$
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Freq/Calc Tab: Maximum 68, Increment 17 C vDxq: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) z jl!9M!
Enter 8.25 for Constraint Target %, P >%'0
Click OK. k mP Yx)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 a Yn^)6^
---------------------------------------------------------------------------------------------- j 5$GFi\kB
以下直接复制到命令行即可出最终结果 E_T 2z4lw
---------------------------------------------------------------------------------------------- YHX Lv#8
! Command inputs for Workshop 2-2 (for reference) i^msjA
!Restore 20 Degree Digital Camera Lens Setup YJeyIYCs<
!FILE > OPEN 6%G-Vs]*2
RES digcam20_start.len ! 69&Ld
!Vary all radii curvature by right clicking in LDM and selecting VARY IxZb$h[
!HINT: for curvatures highlight all and select vary. Then go back and C1kYl0 zR[
!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}N q
!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
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GO g[RI.& ?
!Re-execute MTF R0ID2:i]F
MTF Z;E z"t&U
MFR 68 V&8Vw F^-
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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