| 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 v\9:G
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) id^U% 4J
Display > View Lens (accept defaults, click OK, keep window open) E)( `Z0
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 )g4oUZDF
Right click in each cell and choose Vary for +MQvq\%tG
Thickness of surfaces 1, 4, 6 =k4yWC5-
Glass of surfaces 1, 4, 6 JCIm*6~
File > Save Lens T;- Zl[H
Using Quick Analysis tool bar, click… kndP?#>
p1
Quick Spot Diagram (note scale) Y^)VHE]
Quick Ray Aberration Plot (note scale) T7;)HFGeW
Quick Field Plot (note scales and maximum distortion value) #vO3*-hs
Analysis > Diffraction > MTF B3I\=
Freq/Calc Tab: Maximum 68, Increment 17 vcB + h;x
Graphics tab: Max plot freq 68 'e6 W$?z
Click OK (keep window open, tear off starting MTF graph for later comparison) `Tzq vnn
Optimization > Automatic Design 4'BzW Z;_a
Output controls: Click Draw System button "X']_: F1a
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) W7N Hr5RC
Specific constraints: ^H+j;K{5,
Click Insert Specific Constraint c ;3bX6RD*
Default display is Optical Definitions, Effective Focal Length (correct choice) p71% -nV
Enter 8.25 for Constraint Target nf< <]iHf
Click OK. (PYUfiOf
File > Save Lens As (new name, digcam20_opt.len) X$JO<@x
Re-run View Lens window to see new lens picture. ,8( % J3J
Re-run each of the Quick Analysis windows and note scales. syh0E= If_
Re-run the MTF window, compare to tear-off of starting point #SY 8Zv
---------------------------------------------------------------------------------------------- ^_<>o[qE
以下直接复制到命令行即可出最终结果 v)JQb-<
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! Command inputs for Workshop 2-2 (for reference) ,8u u,,c
!Restore 20 Degree Digital Camera Lens Setup <.3@-z>w2,
!FILE > OPEN hoC}@8_
RES digcam20_start.len 1at$_\{.(
!Vary all radii curvature by right clicking in LDM and selecting VARY -b@E@uAX /
!HINT: for curvatures highlight all and select vary. Then go back and |PN-,f{ -
!freeze stop surface radius. KGUpXMd^Z
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 )EO/P+&
!Vary all thicknesses by same method. Do not select surface with solve since Y,D\_il_
!varying this surface will delete solve. If mistake, use UNDO or go to kyJv,!};
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ?HIc=
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 eEsEW<su
THC S8 0 !Don't forget to vary the image distance which calculates best HkvCQ H
!best real-ray focus from paraxial image plane 0jv9N6IM
!Vary glass by highlighting, right clicking, and selecting Vary |~H'V4)zXu
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 mUy/lo'4
!Optimize OPTIMIZATION > AUTOMATIC DESIGN jTw s0=F*
AUT v85&s
EFL Z1 = 8.25 !Effective Focal Length Constraint ^
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MNT 0.8 !Minimum Center Thickness General Constraint hl~(& D1^
MNE 0.5 !Minimum Edge Thickness General Constraint [ur/ `
DRA S1..I YES !Draw a picture of lens system at each cycle BHj]w*Ov
GO
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!Reanalyze the system. Make sure to "Tear Off" original analysis before svpWABO
!re-executing to compare optimized system J=K3S9:n]g
!Re-execute Drawing v,>F0ofJ
VIE qw87B!D
GO C`mXEX5
!Re-execute MTF 0'97af
MTF y8+?:=N.
MFR 68 ZJ=C[s!wu
IFR 17 `?JrC3
GO 3UC8iq*
!Re-execute Field (Distortion) Analysis >^J!Z~;L)
FIE x6DH0*[.
GO 6%S>~L66
!Save Lens FILE > SAVE LENS AS... \f66ipZK*
SAV digcam20_opt
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