主要是看人家的操作步骤,想学命令的人请看，十分有用 M1]w0~G
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) mq}UUk@
Display > View Lens (accept defaults, click OK, keep window open) >sdF :(JV&
In LDM spreadsheet, select surfaces 1 to Image lKf kRyO_S
Choose Edit > Default Variables, then click in any cell to unselect the range 8QMMKO ui\
Right click in each cell and choose Vary for A~ v[6*~>
Thickness of surfaces 1, 4, 6 8#R%jjr%T
Glass of surfaces 1, 4, 6 t<"`gM^|
File > Save Lens MR: H3
Using Quick Analysis tool bar, click… q Y!LzKM0
Quick Spot Diagram (note scale) ;dtA-EfOZ
Quick Ray Aberration Plot (note scale) < pXOE- G5
Quick Field Plot (note scales and maximum distortion value) T*S) U ;
Analysis > Diffraction > MTF mKE' l'9A_
Freq/Calc Tab: Maximum 68, Increment 17 {t4':{Y+
Graphics tab: Max plot freq 68 R 5mb4
Click OK (keep window open, tear off starting MTF graph for later comparison) C8 i4z
Optimization > Automatic Design @ Z7s3b
Output controls: Click Draw System button +K 8T%G Ar
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) V3 T.EW
Specific constraints: l: kW|
Click Insert Specific Constraint 5z_Kkf?o
Default display is Optical Definitions, Effective Focal Length (correct choice) Ki1 zi~
Enter 8.25 for Constraint Target *>!-t
Click OK. 1d842 pt
File > Save Lens As (new name, digcam20_opt.len) [h_d1\ Cr
Re-run View Lens window to see new lens picture. *3h_'3yo@
Re-run each of the Quick Analysis windows and note scales. VD $PoP
Re-run the MTF window, compare to tear-off of starting point Z%b1B<u$
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以下直接复制到命令行即可出最终结果 xT( pB-R
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! Command inputs for Workshop 2-2 (for reference) &_s^ C?x
!Restore 20 Degree Digital Camera Lens Setup Gm > =s
!FILE > OPEN (w+SmD
RES digcam20_start.len [z*1#lj S
!Vary all radii curvature by right clicking in LDM and selecting VARY bSQj= |h1
!HINT: for curvatures highlight all and select vary. Then go back and zG c ]*R
!freeze stop surface radius. !HtW~8|:
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 EP90E^v ^
!Vary all thicknesses by same method. Do not select surface with solve since Ef@)y&hn
!varying this surface will delete solve. If mistake, use UNDO or go to a<]vHC7
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve >]A#_p
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Bk@EQdn
THC S8 0 !Don't forget to vary the image distance which calculates best O2f-{jnTz,
!best real-ray focus from paraxial image plane B/ mfm 7
!Vary glass by highlighting, right clicking, and selecting Vary =s*4y$%I
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 W6r3v)~
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 5|`./+Ghk
AUT c >T)Rc
EFL Z1 = 8.25 !Effective Focal Length Constraint ]GsI|se
MNT 0.8 !Minimum Center Thickness General Constraint <]_[o:nOP
MNE 0.5 !Minimum Edge Thickness General Constraint F7/%,vf
DRA S1..I YES !Draw a picture of lens system at each cycle 0-uVmlk=/
GO t0?t Xe.B
!Reanalyze the system. Make sure to "Tear Off" original analysis before (dx~l MI
!re-executing to compare optimized system ^; }Y ZBy
!Re-execute Drawing {qU;>;(
VIE )4hA Fy6l
GO cBU3Q<^
!Re-execute MTF H(O |y2
MTF 'Q=(1a11
MFR 68 L s3r( Tf
IFR 17 epG =)gd=8
GO 2z A xGX
!Re-execute Field (Distortion) Analysis / %F,
FIE 0zsmZ]b5E
GO [r9HYju =
!Save Lens FILE > SAVE LENS AS... gR_Exs'K
SAV digcam20_opt
