主要是看人家的操作步骤,想学命令的人请看，十分有用 )L hO}zQ
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) YV940A-n
Display > View Lens (accept defaults, click OK, keep window open) Tk2kis(n
In LDM spreadsheet, select surfaces 1 to Image ?RzT0HRd
Choose Edit > Default Variables, then click in any cell to unselect the range x)yf!Dv5$
Right click in each cell and choose Vary for
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Thickness of surfaces 1, 4, 6 #"yf^*wX
Glass of surfaces 1, 4, 6 n*6s]iG
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File > Save Lens y?@Y\ b
Using Quick Analysis tool bar, click… <d5vVn
Quick Spot Diagram (note scale) 4K;j:ZJ"x
Quick Ray Aberration Plot (note scale) l?1!h2z%
Quick Field Plot (note scales and maximum distortion value) d,+n,;6Cf
Analysis > Diffraction > MTF :d2u? +F
Freq/Calc Tab: Maximum 68, Increment 17 ipp_?5TL
Graphics tab: Max plot freq 68 g^4FzJ
Click OK (keep window open, tear off starting MTF graph for later comparison) -pGt ;
Optimization > Automatic Design omA*XXUx=8
Output controls: Click Draw System button 0amz#VIB<u
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 3ElpS^ 2W
Specific constraints: t3>r f3v
Click Insert Specific Constraint fDqXM;a"
Default display is Optical Definitions, Effective Focal Length (correct choice) @ty|HXW
Enter 8.25 for Constraint Target uWInx6p
Click OK. -d3y!| \>a
File > Save Lens As (new name, digcam20_opt.len) lmcDA, 7
Re-run View Lens window to see new lens picture.
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Re-run each of the Quick Analysis windows and note scales. U
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Re-run the MTF window, compare to tear-off of starting point wqOhJYc
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以下直接复制到命令行即可出最终结果 GKtQ >39B
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! Command inputs for Workshop 2-2 (for reference) =|%T E
!Restore 20 Degree Digital Camera Lens Setup .Ks vRx
!FILE > OPEN KRZV9AJ
RES digcam20_start.len ">9CN$]J
!Vary all radii curvature by right clicking in LDM and selecting VARY bN&da
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!HINT: for curvatures highlight all and select vary. Then go back and K)@}Ok"#\4
!freeze stop surface radius. iP%=Wo.
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 rw2|1_AF
!Vary all thicknesses by same method. Do not select surface with solve since w$ {
!varying this surface will delete solve. If mistake, use UNDO or go to 6v#G'M#r
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve R7{hoqI2
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 G]1pGA;
THC S8 0 !Don't forget to vary the image distance which calculates best i?/?{p$#a-
!best real-ray focus from paraxial image plane UG_0Y8$
!Vary glass by highlighting, right clicking, and selecting Vary [AzN&yACE
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 \(FD R
!Optimize OPTIMIZATION > AUTOMATIC DESIGN K-u/q6ufK
AUT 3T/j5m}+!
EFL Z1 = 8.25 !Effective Focal Length Constraint 2AW{qwk7
MNT 0.8 !Minimum Center Thickness General Constraint WCu%@hh=h
MNE 0.5 !Minimum Edge Thickness General Constraint <6~;-ZQY
DRA S1..I YES !Draw a picture of lens system at each cycle bVHi3=0{
GO 3@?YTez#
!Reanalyze the system. Make sure to "Tear Off" original analysis before ?& m] du#6
!re-executing to compare optimized system <R>ZG"m {
!Re-execute Drawing )+,jal^7
VIE XE*bRTEw
GO ! V Zj!\I
!Re-execute MTF |=T<WU1$
MTF W@dY:N}
MFR 68
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IFR 17 - (}1o9e\7
GO G9inNz*Cx
!Re-execute Field (Distortion) Analysis j i
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FIE # :w2Hf6Q
GO ONiI:Z>%
!Save Lens FILE > SAVE LENS AS... S\;.nAR
SAV digcam20_opt
