| 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 |n U:
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) `Rj
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Display > View Lens (accept defaults, click OK, keep window open) P]dDTh~e~
In LDM spreadsheet, select surfaces 1 to Image f()^^ +
Choose Edit > Default Variables, then click in any cell to unselect the range
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Right click in each cell and choose Vary for *x L#1
Thickness of surfaces 1, 4, 6 r=&PUT+vt
Glass of surfaces 1, 4, 6 u$<FKp;I
File > Save Lens 9R. tkc|K
Using Quick Analysis tool bar, click… &\!-d%||)
Quick Spot Diagram (note scale) ]V.9jlXF
Quick Ray Aberration Plot (note scale) ;;l(
Quick Field Plot (note scales and maximum distortion value) #docBsHX&s
Analysis > Diffraction > MTF ( 7Y :3
Freq/Calc Tab: Maximum 68, Increment 17 z:< (b
Graphics tab: Max plot freq 68 3P-#NL
Click OK (keep window open, tear off starting MTF graph for later comparison) 66Hu <3X P
Optimization > Automatic Design #/1A:ig
Output controls: Click Draw System button wJ IJPYTK
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) _Q.3X[88C
Specific constraints: Hyee#fB
Click Insert Specific Constraint rR C3^X`u
Default display is Optical Definitions, Effective Focal Length (correct choice) I X\& lV
Enter 8.25 for Constraint Target ch : 428
Click OK. ?kS 5=&<
File > Save Lens As (new name, digcam20_opt.len) O5k's
Re-run View Lens window to see new lens picture. #"7:NR^H^
Re-run each of the Quick Analysis windows and note scales. $V5Ol6@ 2
Re-run the MTF window, compare to tear-off of starting point {MYlW0)~
---------------------------------------------------------------------------------------------- ~@got
以下直接复制到命令行即可出最终结果 RJtS HiM2
---------------------------------------------------------------------------------------------- ?cg+RNI
! Command inputs for Workshop 2-2 (for reference) zh50]tX
!Restore 20 Degree Digital Camera Lens Setup D0x+b2x^
!FILE > OPEN CqrmdWN
RES digcam20_start.len |h6 @hB\
!Vary all radii curvature by right clicking in LDM and selecting VARY dHOz;4_
!HINT: for curvatures highlight all and select vary. Then go back and |ZRl.C/e
!freeze stop surface radius. VK`b'U &l"
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 v 8pUt\m"
!Vary all thicknesses by same method. Do not select surface with solve since Ud{-H_m+
!varying this surface will delete solve. If mistake, use UNDO or go to 1N# TL"lMS
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]$*N5Y
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 vZ|-V vG
THC S8 0 !Don't forget to vary the image distance which calculates best V?Nl% M[b
!best real-ray focus from paraxial image plane z': >nw
!Vary glass by highlighting, right clicking, and selecting Vary AA05wpu8
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 {nHy!{+qqG
!Optimize OPTIMIZATION > AUTOMATIC DESIGN W: EX L@
AUT J`"1DlH
EFL Z1 = 8.25 !Effective Focal Length Constraint @) }Vk
MNT 0.8 !Minimum Center Thickness General Constraint rx^pGVyg
MNE 0.5 !Minimum Edge Thickness General Constraint u)Y#&q A
DRA S1..I YES !Draw a picture of lens system at each cycle 7Uj[0Awn
GO s0nihX1Z-
!Reanalyze the system. Make sure to "Tear Off" original analysis before |AWu0h\keO
!re-executing to compare optimized system H56e#:[$
!Re-execute Drawing &ul9N)A
VIE =20Q! wcu
GO G_AAE#r`
!Re-execute MTF q2/Vt0aYx
MTF pr;L~$JW
MFR 68 #Q$4EQB
IFR 17 EG9S?
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GO vDBnW A
!Re-execute Field (Distortion) Analysis 93'%aSDI%
FIE .vT ' hu
GO Rj E,Wn
!Save Lens FILE > SAVE LENS AS... VUNQ@{ST|1
SAV digcam20_opt
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