| 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 e-.( O8
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) tCGA3t
Display > View Lens (accept defaults, click OK, keep window open) , 10+Sh
In LDM spreadsheet, select surfaces 1 to Image mxe\+j#
Choose Edit > Default Variables, then click in any cell to unselect the range $#wi2Ve=6b
Right click in each cell and choose Vary for Y^|15ek
Thickness of surfaces 1, 4, 6 Z&h :3;
Glass of surfaces 1, 4, 6 [g{fz3
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File > Save Lens % 3fpIzm
Using Quick Analysis tool bar, click… [$fB]7A
Quick Spot Diagram (note scale) D%=&euB
Quick Ray Aberration Plot (note scale) {96NtR 0Z
Quick Field Plot (note scales and maximum distortion value) y5VohVa`
Analysis > Diffraction > MTF 9_Z_5w;h
Freq/Calc Tab: Maximum 68, Increment 17 *$/Go 8t4u
Graphics tab: Max plot freq 68 .'2"83f
Click OK (keep window open, tear off starting MTF graph for later comparison) M3dUGM
Optimization > Automatic Design i?)bF!J
Output controls: Click Draw System button u{dkUG1ia
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 5r;)Ppo
Specific constraints: aD~S~L!
Click Insert Specific Constraint ?Qts2kae#
Default display is Optical Definitions, Effective Focal Length (correct choice) pTJ_DH
Enter 8.25 for Constraint Target J|cw9u
Click OK. `] ;ne]xM
File > Save Lens As (new name, digcam20_opt.len) R/2L9 Lcv
Re-run View Lens window to see new lens picture. $lJ !f
Re-run each of the Quick Analysis windows and note scales. )a+bH </'
Re-run the MTF window, compare to tear-off of starting point h,]lN'JG{
---------------------------------------------------------------------------------------------- +.$:ZzH#
以下直接复制到命令行即可出最终结果 v~p?YYOm<
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! Command inputs for Workshop 2-2 (for reference) 9yLPh/!Ob
!Restore 20 Degree Digital Camera Lens Setup @#9x Ss#
!FILE > OPEN ~u?rjkSFoh
RES digcam20_start.len K5(T7S
!Vary all radii curvature by right clicking in LDM and selecting VARY -7 EwZRS@9
!HINT: for curvatures highlight all and select vary. Then go back and Yt r*"-
!freeze stop surface radius. 1o)<23q`)
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 qzk]9`i1:
!Vary all thicknesses by same method. Do not select surface with solve since lHu/pSu@k
!varying this surface will delete solve. If mistake, use UNDO or go to ADMeOdgca
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve h^J :k
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 w}29#F\]R
THC S8 0 !Don't forget to vary the image distance which calculates best 48!F!v,j)x
!best real-ray focus from paraxial image plane $=C ` V
!Vary glass by highlighting, right clicking, and selecting Vary "`w*-O
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 F[fs^Q6S$
!Optimize OPTIMIZATION > AUTOMATIC DESIGN /&!o]fU1 C
AUT
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EFL Z1 = 8.25 !Effective Focal Length Constraint ux[13]yY
MNT 0.8 !Minimum Center Thickness General Constraint za8+=?
MNE 0.5 !Minimum Edge Thickness General Constraint CKDg3p';
DRA S1..I YES !Draw a picture of lens system at each cycle va.Ve# N
GO 6-nf+ !#G
!Reanalyze the system. Make sure to "Tear Off" original analysis before LBcqFvj{&
!re-executing to compare optimized system \o w(4O#
!Re-execute Drawing 4X eO^#
VIE nH[>Sff$
GO mU iJ @
!Re-execute MTF . ;D'
MTF a$LoQ<f_
MFR 68 I*(7(>zgyv
IFR 17 8JO(P0aT
GO d-]!aFj|U
!Re-execute Field (Distortion) Analysis i2\CDYP
FIE *#'&a(h B!
GO .GW)"`HbU
!Save Lens FILE > SAVE LENS AS... BkDq9>
SAV digcam20_opt
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