| 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 ^ D ]7pe
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) tMD^$E"C
Display > View Lens (accept defaults, click OK, keep window open) 'NQMZfz
In LDM spreadsheet, select surfaces 1 to Image Q{H!s_6iyv
Choose Edit > Default Variables, then click in any cell to unselect the range @!L@UP0
Right click in each cell and choose Vary for ( )JYN5
Thickness of surfaces 1, 4, 6 4*N@=v
Glass of surfaces 1, 4, 6 U(S@1i(
File > Save Lens "xvV'&lQ
Using Quick Analysis tool bar, click… WryW3];0OR
Quick Spot Diagram (note scale) 2R_opbw
Quick Ray Aberration Plot (note scale) uZqu xu.
Quick Field Plot (note scales and maximum distortion value) ~,1-$#R
Analysis > Diffraction > MTF Q8}TNJsU
Freq/Calc Tab: Maximum 68, Increment 17 %9~kA5Qj
Graphics tab: Max plot freq 68 )M&Azbu
Click OK (keep window open, tear off starting MTF graph for later comparison) ;3.T* ?|o
Optimization > Automatic Design fw(j6:p
Output controls: Click Draw System button OUBgBr
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) /H\^l.|vk
Specific constraints: . T6_N
Click Insert Specific Constraint =#POMK".6
Default display is Optical Definitions, Effective Focal Length (correct choice) M@!]U:5~V
Enter 8.25 for Constraint Target eu}:Wg2
Click OK. T(sG.%
File > Save Lens As (new name, digcam20_opt.len) gNEzlx8A
Re-run View Lens window to see new lens picture. 9 AVK_
Re-run each of the Quick Analysis windows and note scales. cjy0s+>>
Re-run the MTF window, compare to tear-off of starting point y :i[~ y
---------------------------------------------------------------------------------------------- xvdnEaWe$
以下直接复制到命令行即可出最终结果 Q?Bj q>
---------------------------------------------------------------------------------------------- $X.'W\o|
! Command inputs for Workshop 2-2 (for reference) '$kS]U
!Restore 20 Degree Digital Camera Lens Setup Tg <>B
!FILE > OPEN %WJ {IXlz
RES digcam20_start.len =C G!"&T
!Vary all radii curvature by right clicking in LDM and selecting VARY |$.sB |_
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!HINT: for curvatures highlight all and select vary. Then go back and 1v[#::Bs
!freeze stop surface radius. mTXNHvv
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 % Zl_{Q]h
!Vary all thicknesses by same method. Do not select surface with solve since :nbW.B3GV
!varying this surface will delete solve. If mistake, use UNDO or go to 35@Ibe~
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve }'w^<:RSy
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 M$>WmG1~D
THC S8 0 !Don't forget to vary the image distance which calculates best O w($\,
!best real-ray focus from paraxial image plane d9[6kQ]
!Vary glass by highlighting, right clicking, and selecting Vary {Gb)Et]<
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 vUIK4uR.
!Optimize OPTIMIZATION > AUTOMATIC DESIGN <4!&iU+;
AUT X/;" CM
EFL Z1 = 8.25 !Effective Focal Length Constraint [hv3o0".
MNT 0.8 !Minimum Center Thickness General Constraint K&Wv.}=V
MNE 0.5 !Minimum Edge Thickness General Constraint Me K\eZ\
DRA S1..I YES !Draw a picture of lens system at each cycle UQji7K }
GO m|Q&Lph b8
!Reanalyze the system. Make sure to "Tear Off" original analysis before *{;A\sL
!re-executing to compare optimized system 6q
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!Re-execute Drawing %. 6?\w1e
VIE d=+Lv<
GO RfKxwo|M<
!Re-execute MTF On9 6N|
MTF i_ ODgc`H
MFR 68 P+zI9~N[
IFR 17 yS.fe [
GO uy*x ~v*I]
!Re-execute Field (Distortion) Analysis woH3?zR
FIE T=f;n;/>
GO 4iP ua"8
!Save Lens FILE > SAVE LENS AS... BI]ut |Qw
SAV digcam20_opt
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