| longlllooo |
2006-03-27 20:26 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 !N6/l5 kn
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) R$'0<y8E*]
Display > View Lens (accept defaults, click OK, keep window open) k<mfBNvuo
In LDM spreadsheet, select surfaces 1 to Image L-7? :
Choose Edit > Default Variables, then click in any cell to unselect the range UjNe0jt% s
Right click in each cell and choose Vary for ={Bcbj{
Thickness of surfaces 1, 4, 6 p'lL2 n$E
Glass of surfaces 1, 4, 6 6}aIb .j
File > Save Lens WU:~T.Su
Using Quick Analysis tool bar, click… lyBae?%&
Quick Spot Diagram (note scale) D^( Nijl9U
Quick Ray Aberration Plot (note scale) HPGMR4=ANS
Quick Field Plot (note scales and maximum distortion value) NaeG2>1
Analysis > Diffraction > MTF JXG%Cx!2}
Freq/Calc Tab: Maximum 68, Increment 17 + tbG^w %
Graphics tab: Max plot freq 68 ;\P\0pI50
Click OK (keep window open, tear off starting MTF graph for later comparison) 5iE-$,7#L
Optimization > Automatic Design W^}fAcQKH
Output controls: Click Draw System button wS*An4%G
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) |s f &t
Specific constraints: Wb* A};wE
Click Insert Specific Constraint Lh0qB)>
Default display is Optical Definitions, Effective Focal Length (correct choice) 3)jFv7LAU
Enter 8.25 for Constraint Target Fa}3UVm
Click OK. !Cq2<[K#
File > Save Lens As (new name, digcam20_opt.len) [O)
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Re-run View Lens window to see new lens picture. ]a4rA+NFLB
Re-run each of the Quick Analysis windows and note scales. |@{4zoP_N
Re-run the MTF window, compare to tear-off of starting point ,>6s~'
---------------------------------------------------------------------------------------------- ZT* RD2,
以下直接复制到命令行即可出最终结果 `)s C".b7
---------------------------------------------------------------------------------------------- *v+xKy#M
! Command inputs for Workshop 2-2 (for reference) ~j%g?;#*
!Restore 20 Degree Digital Camera Lens Setup 9i hB;m'C)
!FILE > OPEN K-%x] Fp=
RES digcam20_start.len f+#^Lngo
!Vary all radii curvature by right clicking in LDM and selecting VARY `Sh#>
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!HINT: for curvatures highlight all and select vary. Then go back and Wn61;kV_)
!freeze stop surface radius. T%GdvtmS>
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 zGtWyXP
!Vary all thicknesses by same method. Do not select surface with solve since dso6ZRx
!varying this surface will delete solve. If mistake, use UNDO or go to .M3]\I u
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve }m!L2iK4qk
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 q J)[2:.G
THC S8 0 !Don't forget to vary the image distance which calculates best gIGyY7{(s8
!best real-ray focus from paraxial image plane 4/6?wX
!Vary glass by highlighting, right clicking, and selecting Vary `a$-"tW~j
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 %Vf3r9
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN |y,%dFNLf
AUT .Ux bwTup
EFL Z1 = 8.25 !Effective Focal Length Constraint 60
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MNT 0.8 !Minimum Center Thickness General Constraint {0a (R2nB
MNE 0.5 !Minimum Edge Thickness General Constraint $
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DRA S1..I YES !Draw a picture of lens system at each cycle JHF <vyt5<
GO ^[]q/v'3m!
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;+d2qbGd
!re-executing to compare optimized system m Mp(
!Re-execute Drawing k!9LJ%Xh
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GO '@~\( SH
!Re-execute MTF 5u\#@% \6
MTF xqP DL9\
MFR 68 O+8]y4%5
IFR 17 7x 6q:4Ep\
GO @xKfq Koqg
!Re-execute Field (Distortion) Analysis Y 9Y E:s
FIE nT(Lh/
GO ,C4gA(')K
!Save Lens FILE > SAVE LENS AS... :Nr y |
SAV digcam20_opt
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