| 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 Ves
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) w0L+S j db
Display > View Lens (accept defaults, click OK, keep window open) :NPnw X8w
In LDM spreadsheet, select surfaces 1 to Image aaM76 ;
Choose Edit > Default Variables, then click in any cell to unselect the range wm/=]*jpK
Right click in each cell and choose Vary for W #kOcw
Thickness of surfaces 1, 4, 6 "xKykSk
Glass of surfaces 1, 4, 6 z 8\z`#g!
File > Save Lens jou741
Using Quick Analysis tool bar, click… =;?afUj
Quick Spot Diagram (note scale) *Z,?VEO
Quick Ray Aberration Plot (note scale) +:?"P<'
Quick Field Plot (note scales and maximum distortion value) V 1Opp8
Analysis > Diffraction > MTF || t"}Y
Freq/Calc Tab: Maximum 68, Increment 17 Q9h;`G
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Graphics tab: Max plot freq 68 U}2b{
Click OK (keep window open, tear off starting MTF graph for later comparison) ^J-\s_)"
Optimization > Automatic Design %qqX-SF0C
Output controls: Click Draw System button 2Ub!wee
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ~y.t amNW
Specific constraints: ^TF71u o
Click Insert Specific Constraint ~dc~<hK
Default display is Optical Definitions, Effective Focal Length (correct choice) sV`!4
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Enter 8.25 for Constraint Target .P^&sl*J
Click OK. B
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File > Save Lens As (new name, digcam20_opt.len) Y ZyV
Re-run View Lens window to see new lens picture. Yy 3g7!K5E
Re-run each of the Quick Analysis windows and note scales. yhSbX4Q
Re-run the MTF window, compare to tear-off of starting point dF<GuS;l5
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以下直接复制到命令行即可出最终结果 K r DG
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! Command inputs for Workshop 2-2 (for reference) K~ob]I<GiB
!Restore 20 Degree Digital Camera Lens Setup + #V.6i
!FILE > OPEN Ods/1 KW
RES digcam20_start.len Yg kd 1uI.
!Vary all radii curvature by right clicking in LDM and selecting VARY Q^k\ q
!HINT: for curvatures highlight all and select vary. Then go back and -.=:@H}r
!freeze stop surface radius. 9`X}G`
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ev"f@y9Do
!Vary all thicknesses by same method. Do not select surface with solve since LX2Re
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!varying this surface will delete solve. If mistake, use UNDO or go to cA8A^Iv:0
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 0 c6Ea>S[
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 K*[`s'Ip-
THC S8 0 !Don't forget to vary the image distance which calculates best 9H #;i]t &
!best real-ray focus from paraxial image plane ]]^eIjg>a6
!Vary glass by highlighting, right clicking, and selecting Vary v%$c_'d
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 @zGz8IF
!Optimize OPTIMIZATION > AUTOMATIC DESIGN QxI^Bx
AUT Qf #=Y j
EFL Z1 = 8.25 !Effective Focal Length Constraint 'YTSakNJ}
MNT 0.8 !Minimum Center Thickness General Constraint a
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MNE 0.5 !Minimum Edge Thickness General Constraint `+0K~k|DC
DRA S1..I YES !Draw a picture of lens system at each cycle NwbX]pDT
GO !}pvrBS
!Reanalyze the system. Make sure to "Tear Off" original analysis before <A`zK
!re-executing to compare optimized system
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!Re-execute Drawing FX,kmre3
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GO thK4@C|X4
!Re-execute MTF '74*- y d
MTF Ml H0
MFR 68 {&,MkWgG
IFR 17 \;bDDTM
GO rMEM$1vPU
!Re-execute Field (Distortion) Analysis z=1N}l~|*
FIE NPjNkpWm&=
GO %&}gt+L(M
!Save Lens FILE > SAVE LENS AS... &r0U9J
SAV digcam20_opt
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