主要是看人家的操作步骤,想学命令的人请看，十分有用 ^" UZ.@sq'
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) <L<d_
Display > View Lens (accept defaults, click OK, keep window open) Nb/Z +
In LDM spreadsheet, select surfaces 1 to Image |il P>b
Choose Edit > Default Variables, then click in any cell to unselect the range }m.45n/
Right click in each cell and choose Vary for 03dmHg.E!E
Thickness of surfaces 1, 4, 6 Uizg.<.
Glass of surfaces 1, 4, 6 $x q$
File > Save Lens te#Wv9x
Using Quick Analysis tool bar, click… GNI:k{H@"?
Quick Spot Diagram (note scale) t``q_!s}F
Quick Ray Aberration Plot (note scale) ![aa@nOSa
Quick Field Plot (note scales and maximum distortion value) -h,?_d>
Analysis > Diffraction > MTF 3|1v )E
Freq/Calc Tab: Maximum 68, Increment 17 %1kI aYZ
Graphics tab: Max plot freq 68 2$yNryd
Click OK (keep window open, tear off starting MTF graph for later comparison) l[b`4
Optimization > Automatic Design Dq9*il;'
Output controls: Click Draw System button C\gKJW^]y@
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) uwWKsZ4:ij
Specific constraints: ,^&amWey
Click Insert Specific Constraint H ie
Default display is Optical Definitions, Effective Focal Length (correct choice) DDp\*6y3l
Enter 8.25 for Constraint Target 1HBX D\!
Click OK. )cB O_
File > Save Lens As (new name, digcam20_opt.len) cPPTGpqw
Re-run View Lens window to see new lens picture. 9%^O-8!
Re-run each of the Quick Analysis windows and note scales. <,Pk
Re-run the MTF window, compare to tear-off of starting point fnJt8Y 4
---------------------------------------------------------------------------------------------- E 8b:MY
以下直接复制到命令行即可出最终结果 OH6- \U'.Z
---------------------------------------------------------------------------------------------- irKM?#h
! Command inputs for Workshop 2-2 (for reference) )i$KrN6
!Restore 20 Degree Digital Camera Lens Setup # 9 p|aS\
!FILE > OPEN wYN/ }>M
RES digcam20_start.len t`E e/L%
!Vary all radii curvature by right clicking in LDM and selecting VARY ^.@F1k
!HINT: for curvatures highlight all and select vary. Then go back and U'0e< IcY
!freeze stop surface radius. 6=g! Hs{
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 :r}C&3
!Vary all thicknesses by same method. Do not select surface with solve since w7QYWf'
!varying this surface will delete solve. If mistake, use UNDO or go to d c,qQM
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve zx;~sUR;
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 }sW%i#CV
THC S8 0 !Don't forget to vary the image distance which calculates best ^_\%?K_u
!best real-ray focus from paraxial image plane sff4N>XAl<
!Vary glass by highlighting, right clicking, and selecting Vary nXfd f-
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ,d$D0w
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Nyl)B7/w
AUT y=SVS3 D
EFL Z1 = 8.25 !Effective Focal Length Constraint g,s^qW0vds
MNT 0.8 !Minimum Center Thickness General Constraint `{9bf)vP6
MNE 0.5 !Minimum Edge Thickness General Constraint yVgHu#?PM
DRA S1..I YES !Draw a picture of lens system at each cycle q0VR&b`?>D
GO sI6coe5n
!Reanalyze the system. Make sure to "Tear Off" original analysis before C !W0L`r
!re-executing to compare optimized system N}KL'
!Re-execute Drawing U}DLzn|w
VIE Y |9
GO (ty&$
!Re-execute MTF `j!XWh*$
MTF LyRW\\z2
MFR 68 9E}JtLg T
IFR 17 )8;At'q}
GO sq;3qbz
!Re-execute Field (Distortion) Analysis >Et~h65d5
FIE z8cefD9F
GO i7%`}t
!Save Lens FILE > SAVE LENS AS... +P%k@w#<Z
SAV digcam20_opt
