| 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 C
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Vn/6D[}Tu
Display > View Lens (accept defaults, click OK, keep window open) _i8$!b2Mr
In LDM spreadsheet, select surfaces 1 to Image ( rw bF
Choose Edit > Default Variables, then click in any cell to unselect the range g'Xl>q
Right click in each cell and choose Vary for ?$n< vF>
Thickness of surfaces 1, 4, 6 j9u-C/Q\r
Glass of surfaces 1, 4, 6 K.z}%a
File > Save Lens e-}PJ%!,T
Using Quick Analysis tool bar, click… 6!"15dPN
Quick Spot Diagram (note scale) x(b&r g.-0
Quick Ray Aberration Plot (note scale) +&?VA!}.
Quick Field Plot (note scales and maximum distortion value) N'`*#UI+
Analysis > Diffraction > MTF bY>o%LL-
Freq/Calc Tab: Maximum 68, Increment 17 &6\rKOsn
Graphics tab: Max plot freq 68 <01B\t 7
Click OK (keep window open, tear off starting MTF graph for later comparison) _~cmR <
Optimization > Automatic Design 3mJHk<m8T
Output controls: Click Draw System button H1?1mH
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) iuHG9 #n
Specific constraints: e8lF$[i
Click Insert Specific Constraint zIo))L
Default display is Optical Definitions, Effective Focal Length (correct choice) D!m hR? t
Enter 8.25 for Constraint Target S,8zh/1y
Click OK. u%h<5WNh<
File > Save Lens As (new name, digcam20_opt.len) '[-/X a['
Re-run View Lens window to see new lens picture. k Dv)g
Re-run each of the Quick Analysis windows and note scales. ,DE%p
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Re-run the MTF window, compare to tear-off of starting point ifgaBXT55
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以下直接复制到命令行即可出最终结果 []2G N{m
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! Command inputs for Workshop 2-2 (for reference) Z9sg6M@s
!Restore 20 Degree Digital Camera Lens Setup p~mB;pZ%;
!FILE > OPEN gvU6 p[ D
RES digcam20_start.len WWe.1A,
!Vary all radii curvature by right clicking in LDM and selecting VARY ( ~OwO_|3
!HINT: for curvatures highlight all and select vary. Then go back and Rp<Xu6r
!freeze stop surface radius. =[k9{cVW
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 b R6bS7$
!Vary all thicknesses by same method. Do not select surface with solve since 9]Ym P8
!varying this surface will delete solve. If mistake, use UNDO or go to 7 Ow7|
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve {Y@[hoHtF
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 2~@=ua[|=5
THC S8 0 !Don't forget to vary the image distance which calculates best Z ~nl{P#
!best real-ray focus from paraxial image plane ;4_n:XUgo;
!Vary glass by highlighting, right clicking, and selecting Vary an7N< -?
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 YG8oy!Zl
!Optimize OPTIMIZATION > AUTOMATIC DESIGN wd]Yjr#%Ii
AUT evs2dz<eA
EFL Z1 = 8.25 !Effective Focal Length Constraint =['ijD4TW
MNT 0.8 !Minimum Center Thickness General Constraint cnc$^[c
MNE 0.5 !Minimum Edge Thickness General Constraint z]WT>4
DRA S1..I YES !Draw a picture of lens system at each cycle ec0vg.>p
GO TB[vpTC9)
!Reanalyze the system. Make sure to "Tear Off" original analysis before OiO L 4}5(
!re-executing to compare optimized system c1 <g!Q&E
!Re-execute Drawing [V f|4xcD
VIE Rk=B;
GO 'I~dJEW7
!Re-execute MTF s_[?(Ip{
MTF Kaa*;T