| 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 .Z(S4wV
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) /%N31
Display > View Lens (accept defaults, click OK, keep window open) x`};{oz;
In LDM spreadsheet, select surfaces 1 to Image Qx6,>'Qk '
Choose Edit > Default Variables, then click in any cell to unselect the range @Fm{6^
Right click in each cell and choose Vary for m_{%tU;N
Thickness of surfaces 1, 4, 6 2N8rM}?90
Glass of surfaces 1, 4, 6 5`1 (}
File > Save Lens k X ~-g
Using Quick Analysis tool bar, click… [ HC8-N^.}
Quick Spot Diagram (note scale) bLU^1S 8Z
Quick Ray Aberration Plot (note scale) z5|e\Z
Quick Field Plot (note scales and maximum distortion value) |_hioMVz
Analysis > Diffraction > MTF T% /xti5$!
Freq/Calc Tab: Maximum 68, Increment 17 W+F<P@[u<$
Graphics tab: Max plot freq 68 WH pUjyBP
Click OK (keep window open, tear off starting MTF graph for later comparison) k"Z"$V2i
Optimization > Automatic Design fP h }l
Output controls: Click Draw System button [H6X2yjj|
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) p=mCK@
Specific constraints: reqfgNg
Click Insert Specific Constraint @2GhN&=
Default display is Optical Definitions, Effective Focal Length (correct choice) d- Z+fz
Enter 8.25 for Constraint Target STFQ";z$
Click OK. (<d&BV- "
File > Save Lens As (new name, digcam20_opt.len) []2$rJZD9
Re-run View Lens window to see new lens picture. !I~ C\$^U
Re-run each of the Quick Analysis windows and note scales. 6b#:H~ <
Re-run the MTF window, compare to tear-off of starting point F #!@}K8
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以下直接复制到命令行即可出最终结果 <WQ<<s@#pb
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! Command inputs for Workshop 2-2 (for reference) %-1BA *J`|
!Restore 20 Degree Digital Camera Lens Setup A-Q{*{^#
!FILE > OPEN 0i 5T]
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RES digcam20_start.len 6oTbn{=UUq
!Vary all radii curvature by right clicking in LDM and selecting VARY g~ppPAH
!HINT: for curvatures highlight all and select vary. Then go back and ^LEmi1L
!freeze stop surface radius. /P?|4D}<
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Q}=W>|aE.
!Vary all thicknesses by same method. Do not select surface with solve since !yV,|)y5F
!varying this surface will delete solve. If mistake, use UNDO or go to *x*,I ,0 3
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve @^y?Bh9jQ
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 /A[oj2un
THC S8 0 !Don't forget to vary the image distance which calculates best T/Wm S?
!best real-ray focus from paraxial image plane 6`s%%v
!Vary glass by highlighting, right clicking, and selecting Vary Y?&DEKFbD
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 m! '1$G
!Optimize OPTIMIZATION > AUTOMATIC DESIGN qmue!Fv#g
AUT 1{hoO<CJ
EFL Z1 = 8.25 !Effective Focal Length Constraint \CJx=[3(
MNT 0.8 !Minimum Center Thickness General Constraint @LW xz
MNE 0.5 !Minimum Edge Thickness General Constraint R[>;_}5">
DRA S1..I YES !Draw a picture of lens system at each cycle Q~b M
GO c:@OX[##
!Reanalyze the system. Make sure to "Tear Off" original analysis before v8U1uOR,%
!re-executing to compare optimized system 9znx1AsN
!Re-execute Drawing ['}^;Y ?*o
VIE ulPrb>i
GO lEYT{
!Re-execute MTF eF8 aB?&"
MTF "`W1yk5x
MFR 68 VhH]n yi7D
IFR 17 f,` }hFD
GO eMm~7\
R
!Re-execute Field (Distortion) Analysis OFQi&/
FIE CyK$XDHa
GO Io4:$w
!Save Lens FILE > SAVE LENS AS... {YKMQI^O/
SAV digcam20_opt
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