| 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
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) lJ AzG,f
Display > View Lens (accept defaults, click OK, keep window open) [Uk cG9
In LDM spreadsheet, select surfaces 1 to Image :c]y/lQmV
Choose Edit > Default Variables, then click in any cell to unselect the range ,'c%S|]U7
Right click in each cell and choose Vary for e[x,@P`
Thickness of surfaces 1, 4, 6 MMa`}wSs
Glass of surfaces 1, 4, 6 wOL%otEf
File > Save Lens 5L6.7}B
Using Quick Analysis tool bar, click… XzV>q~I3|E
Quick Spot Diagram (note scale) bzpi7LKN
Quick Ray Aberration Plot (note scale) i/!{k2
Quick Field Plot (note scales and maximum distortion value) |8}y?kAC
Analysis > Diffraction > MTF > %6j -:S
Freq/Calc Tab: Maximum 68, Increment 17 W\<OCD%X
Graphics tab: Max plot freq 68 e #5WX
Click OK (keep window open, tear off starting MTF graph for later comparison) Onqapm0
Optimization > Automatic Design ; Uch
Output controls: Click Draw System button ?z)2\D
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) q#O tp\f
Specific constraints: G AH<
Click Insert Specific Constraint (Ajhf}zJ
Default display is Optical Definitions, Effective Focal Length (correct choice) <2 j$P Y9
Enter 8.25 for Constraint Target ,FYA*}[
Click OK. UV% o&tv|<
File > Save Lens As (new name, digcam20_opt.len) 5D3&E_S
Re-run View Lens window to see new lens picture. XH0{|#hwN
Re-run each of the Quick Analysis windows and note scales. si%V63 ^lN
Re-run the MTF window, compare to tear-off of starting point bg 3kGt0
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以下直接复制到命令行即可出最终结果 xg%{p` `
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! Command inputs for Workshop 2-2 (for reference) ~m H'8K|l
!Restore 20 Degree Digital Camera Lens Setup i{:?Iw 'ay
!FILE > OPEN !K_<7iExI\
RES digcam20_start.len LVP6 vs
!Vary all radii curvature by right clicking in LDM and selecting VARY 4myikeUR_
!HINT: for curvatures highlight all and select vary. Then go back and tF*Sg{:bCa
!freeze stop surface radius. o}36bi{
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 qYqd -R
!Vary all thicknesses by same method. Do not select surface with solve since T8LvdzS
!varying this surface will delete solve. If mistake, use UNDO or go to 31g1zdT!
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve R p
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 /ORK9 g
THC S8 0 !Don't forget to vary the image distance which calculates best BR6HD 7G
!best real-ray focus from paraxial image plane P ' 5Lu
!Vary glass by highlighting, right clicking, and selecting Vary 'bji2#z[
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 UHl1>(U
!Optimize OPTIMIZATION > AUTOMATIC DESIGN q sN}KgTjg
AUT ,^iT,MgNNf
EFL Z1 = 8.25 !Effective Focal Length Constraint ' z^v}~
MNT 0.8 !Minimum Center Thickness General Constraint <+ <o
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MNE 0.5 !Minimum Edge Thickness General Constraint qqYQ/4Ajw
DRA S1..I YES !Draw a picture of lens system at each cycle ojWf]$^y}
GO }/ xdHt
!Reanalyze the system. Make sure to "Tear Off" original analysis before T2T?)_f /
!re-executing to compare optimized system IOrYm
!Re-execute Drawing [ eF|2:
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GO w@N)Pu
!Re-execute MTF 2zjY|g/
MTF TTxSl p2=;
MFR 68 kvN6K6
IFR 17 fb]=MoiJ
GO > vfLlYx
!Re-execute Field (Distortion) Analysis wzI*QXV2s
FIE ||Wg'$3
GO Z!?T &:
!Save Lens FILE > SAVE LENS AS... 2Q/V D,yU
SAV digcam20_opt
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