主要是看人家的操作步骤,想学命令的人请看，十分有用 sKYb&2 wJ
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) B5h-JON]-
Display > View Lens (accept defaults, click OK, keep window open) 7 ^,C=2
In LDM spreadsheet, select surfaces 1 to Image \ ~!9T5/*
Choose Edit > Default Variables, then click in any cell to unselect the range KD?~ hpg
Right click in each cell and choose Vary for iL(rZT&^
Thickness of surfaces 1, 4, 6 3 "=% [
Glass of surfaces 1, 4, 6 4<._)_m
File > Save Lens tz0@csXV
Using Quick Analysis tool bar, click… Xr\|U89P
Quick Spot Diagram (note scale) Y,EReamp
Quick Ray Aberration Plot (note scale)
}rf_:
Quick Field Plot (note scales and maximum distortion value) 4q#6.E;yy
Analysis > Diffraction > MTF f"t\-ux.b
Freq/Calc Tab: Maximum 68, Increment 17 1];rW`Bw
Graphics tab: Max plot freq 68 lxoc.KDtR
Click OK (keep window open, tear off starting MTF graph for later comparison) 9t@^P^}=\m
Optimization > Automatic Design 7NC"}JB&
Output controls: Click Draw System button }@MOkj
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) U ^1Xc#Ff
Specific constraints: p'UY H t
Click Insert Specific Constraint !Cxo4Twg
Default display is Optical Definitions, Effective Focal Length (correct choice) OJ8 ac6cJ
Enter 8.25 for Constraint Target ,ButNB v
Click OK. bK;I :JK3
File > Save Lens As (new name, digcam20_opt.len) "3o{@Td U
Re-run View Lens window to see new lens picture. h-
.V[ ]<
Re-run each of the Quick Analysis windows and note scales. ]. 53t"*
Re-run the MTF window, compare to tear-off of starting point -y]\;pbZ0
---------------------------------------------------------------------------------------------- 0VC8'6S_k
以下直接复制到命令行即可出最终结果 K=Z~$)Og)
---------------------------------------------------------------------------------------------- `s#0/t
! Command inputs for Workshop 2-2 (for reference) #mg6F$E
!Restore 20 Degree Digital Camera Lens Setup x*td
nor&
!FILE > OPEN tdSy&]P
RES digcam20_start.len 9EzXf+f
!Vary all radii curvature by right clicking in LDM and selecting VARY KrE:ilm#^Y
!HINT: for curvatures highlight all and select vary. Then go back and )W9W8>Cc5_
!freeze stop surface radius. i? 5jl&30
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 taOD,}c|$
!Vary all thicknesses by same method. Do not select surface with solve since [ of{~
!varying this surface will delete solve. If mistake, use UNDO or go to `|K30hRp:
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve
FEj{/
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 B:S/
?v
THC S8 0 !Don't forget to vary the image distance which calculates best C9zQ{G
!best real-ray focus from paraxial image plane i5 wXT
!Vary glass by highlighting, right clicking, and selecting Vary ,l`4)@{G
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 _j{^I ^P
!Optimize OPTIMIZATION > AUTOMATIC DESIGN sv` +?hjG
AUT .; j} :<
EFL Z1 = 8.25 !Effective Focal Length Constraint m<L.H33'
MNT 0.8 !Minimum Center Thickness General Constraint A41*4!L=
MNE 0.5 !Minimum Edge Thickness General Constraint WE\@ArY>
DRA S1..I YES !Draw a picture of lens system at each cycle I;iJa@HWQ
GO '>dsROB->
!Reanalyze the system. Make sure to "Tear Off" original analysis before S*;8z}5<\
!re-executing to compare optimized system )]x/MC:9r
!Re-execute Drawing /V@~Vlww
VIE }T=0]u4,
GO cU
<T;1VQ
!Re-execute MTF dw{L,u`68
MTF vi?{H*H4c
MFR 68 9sYN7x
IFR 17 F
FHk0!3
GO RbB
y8ZVM
!Re-execute Field (Distortion) Analysis )>,;
GVu"
FIE Z L[~[
GO 9x ;CJh X
!Save Lens FILE > SAVE LENS AS... ^q``f%Xt
SAV digcam20_opt
