| 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 IF?B`TmZ
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) {zN_l!
Display > View Lens (accept defaults, click OK, keep window open) s\1_-D5]Z
In LDM spreadsheet, select surfaces 1 to Image MldL" *HW:
Choose Edit > Default Variables, then click in any cell to unselect the range `j"G=%e3.
Right click in each cell and choose Vary for WatLAn+
Thickness of surfaces 1, 4, 6 _CwQ}n*
Glass of surfaces 1, 4, 6 Kxaz^$5Y$
File > Save Lens "9T`3cM 0
Using Quick Analysis tool bar, click… -$|X\#R
Quick Spot Diagram (note scale) s=@Ce V@4W
Quick Ray Aberration Plot (note scale) r%mTOLef
Quick Field Plot (note scales and maximum distortion value) h}< ZZ
Analysis > Diffraction > MTF pP oC61F
Freq/Calc Tab: Maximum 68, Increment 17 KcF+!;:
Graphics tab: Max plot freq 68 = sVt8FWGY
Click OK (keep window open, tear off starting MTF graph for later comparison) <%JO 3E
Optimization > Automatic Design ,%G2>PBt
Output controls: Click Draw System button [cAg'R6
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ]TprPU39
Specific constraints: 29DWRJU
Click Insert Specific Constraint /<(ik&%N
Default display is Optical Definitions, Effective Focal Length (correct choice) 1e| M6*
Enter 8.25 for Constraint Target +7OT`e
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Click OK. fhWD>;%F%
File > Save Lens As (new name, digcam20_opt.len) :%o j'm44!
Re-run View Lens window to see new lens picture. "fJ|DE&@<i
Re-run each of the Quick Analysis windows and note scales. ~"0X,APR5
Re-run the MTF window, compare to tear-off of starting point =0yJ2[R7Do
---------------------------------------------------------------------------------------------- yC*B OJS
以下直接复制到命令行即可出最终结果 {Y TF]J $
---------------------------------------------------------------------------------------------- :R x"WY
! Command inputs for Workshop 2-2 (for reference) [t) i\ }V
!Restore 20 Degree Digital Camera Lens Setup ,T[
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!FILE > OPEN %Z0S"B 3
RES digcam20_start.len <5vB{)Tq
!Vary all radii curvature by right clicking in LDM and selecting VARY -{SiK
!HINT: for curvatures highlight all and select vary. Then go back and d+ ko"F|
!freeze stop surface radius. `bF;Ew;
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 <]qd9mj5
!Vary all thicknesses by same method. Do not select surface with solve since uL A XN
!varying this surface will delete solve. If mistake, use UNDO or go to 9?,.zc^
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve m6<0 hP
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 !_!b \
THC S8 0 !Don't forget to vary the image distance which calculates best ; O0rt1
!best real-ray focus from paraxial image plane ,X6j$YLWp
!Vary glass by highlighting, right clicking, and selecting Vary }Cg~::,"
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 X6
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!Optimize OPTIMIZATION > AUTOMATIC DESIGN cBf{R^>Fd
AUT kovzB]
EFL Z1 = 8.25 !Effective Focal Length Constraint 2` qXD fD`
MNT 0.8 !Minimum Center Thickness General Constraint J :(\o=5 5
MNE 0.5 !Minimum Edge Thickness General Constraint shZ<j7gqI
DRA S1..I YES !Draw a picture of lens system at each cycle 0lN8#k >H
GO S6X<3L`FfH
!Reanalyze the system. Make sure to "Tear Off" original analysis before H2cc).8 "
!re-executing to compare optimized system 4 Z )]Cq*3
!Re-execute Drawing $O!<Zz
VIE =(\!,S '
GO U8z"{
!Re-execute MTF E=trJge
MTF ]zY'w,?D\F
MFR 68 ;mlIW n
IFR 17 S`KCVQ>V
GO Tyl"N{ _
!Re-execute Field (Distortion) Analysis pjM|}i<'Q
FIE [.,6~=}vP
GO ! YHu
!Save Lens FILE > SAVE LENS AS... Ij_`=w<
SAV digcam20_opt
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