主要是看人家的操作步骤,想学命令的人请看，十分有用 H":/Ckok
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) f_oq1 W)9
Display > View Lens (accept defaults, click OK, keep window open) r])Z9bbi
In LDM spreadsheet, select surfaces 1 to Image IbF 4k .J
Choose Edit > Default Variables, then click in any cell to unselect the range xC<R :"Mn
Right click in each cell and choose Vary for [ }{w
Thickness of surfaces 1, 4, 6 ,Qat
Glass of surfaces 1, 4, 6 XFtOmY
File > Save Lens a@Mq J=<L
Using Quick Analysis tool bar, click… cZ^wQ5=
Quick Spot Diagram (note scale) aD+0\I[x
Quick Ray Aberration Plot (note scale) # >BX/O*D
Quick Field Plot (note scales and maximum distortion value) p`\3if'
Analysis > Diffraction > MTF 9H>BWjS
Freq/Calc Tab: Maximum 68, Increment 17 [w,(EE
Graphics tab: Max plot freq 68 pQqbZ3]
Click OK (keep window open, tear off starting MTF graph for later comparison) Ft3I>=f{
Optimization > Automatic Design Dh2#$[/@1
Output controls: Click Draw System button wjL|Z8
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 9t#P~>:jY}
Specific constraints: B# 1:Y;Z
Click Insert Specific Constraint S)+CTVVE
Default display is Optical Definitions, Effective Focal Length (correct choice) it~Z|$
Enter 8.25 for Constraint Target itw{; j
Click OK. %?Rs*-F.~1
File > Save Lens As (new name, digcam20_opt.len) Hc M~
Re-run View Lens window to see new lens picture. \N ? 7W Q
Re-run each of the Quick Analysis windows and note scales. CF\R<rF<VS
Re-run the MTF window, compare to tear-off of starting point " 2 %>M
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以下直接复制到命令行即可出最终结果 l"kx r96
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! Command inputs for Workshop 2-2 (for reference) UkZ\cc}aC/
!Restore 20 Degree Digital Camera Lens Setup R'L?Xn}3
!FILE > OPEN '5AvT:
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RES digcam20_start.len ZBF1rx?
!Vary all radii curvature by right clicking in LDM and selecting VARY k5wi'
!HINT: for curvatures highlight all and select vary. Then go back and GYd]5`ri
!freeze stop surface radius. ~> PgJ ^G
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 R+d<
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!Vary all thicknesses by same method. Do not select surface with solve since 8-ZUS|7B
!varying this surface will delete solve. If mistake, use UNDO or go to T MqY4;UeL
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve #K|0lau l
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 #\L Z;&T'N
THC S8 0 !Don't forget to vary the image distance which calculates best t}VwVf<K
!best real-ray focus from paraxial image plane oKRFd_r +
!Vary glass by highlighting, right clicking, and selecting Vary j AQU~Ol_
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 2)=la%Nx
!Optimize OPTIMIZATION > AUTOMATIC DESIGN b_|u<
AUT G,=F<TnI'
EFL Z1 = 8.25 !Effective Focal Length Constraint #Mg lHQO+
MNT 0.8 !Minimum Center Thickness General Constraint ocwE _dR{
MNE 0.5 !Minimum Edge Thickness General Constraint %&tb 9_T)d
DRA S1..I YES !Draw a picture of lens system at each cycle | 0kXCq
GO %J _ymJ'pd
!Reanalyze the system. Make sure to "Tear Off" original analysis before Sl"BK0:%7
!re-executing to compare optimized system S.W^7Ap
!Re-execute Drawing &L%Jy #=
VIE U;p e:
GO ' l|R5
!Re-execute MTF =-Nsc1&
MTF ei|cD[
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MFR 68 r1;e 0\?`
IFR 17 5}Xv L'
GO :Jk33 N4y0
!Re-execute Field (Distortion) Analysis vOe0}cR
FIE f TO+ZTRqf
GO IC/ Q
!Save Lens FILE > SAVE LENS AS... /&(1JqzlB
SAV digcam20_opt
