主要是看人家的操作步骤,想学命令的人请看,十分有用 \s+<w3
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) &eg]8kV
Display > View Lens (accept defaults, click OK, keep window open) rK)%n!Z
In LDM spreadsheet, select surfaces 1 to Image =C5[75z#+
Choose Edit > Default Variables, then click in any cell to unselect the range 5E}0<&
Right click in each cell and choose Vary for d4A}BTs1
Thickness of surfaces 1, 4, 6 .>h|e_E
Glass of surfaces 1, 4, 6 CDR^xo5
dP
File > Save Lens DF9Br
D0{
Using Quick Analysis tool bar, click… !"p,9
Quick Spot Diagram (note scale) Mt-y{*6!k
Quick Ray Aberration Plot (note scale) ]3 Mm"7`
Quick Field Plot (note scales and maximum distortion value) = `70]%
Analysis > Diffraction > MTF *>Om3[D
Freq/Calc Tab: Maximum 68, Increment 17
31J7# S2
Graphics tab: Max plot freq 68 vC+mC4~/(
Click OK (keep window open, tear off starting MTF graph for later comparison) jS|(g##4
Optimization > Automatic Design ilpg()
Output controls: Click Draw System button v)rN]b]
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) N!Kd VDdT|
Specific constraints: pOw4H67
Click Insert Specific Constraint (Z6[a{}1i
Default display is Optical Definitions, Effective Focal Length (correct choice) f)N67z6
Enter 8.25 for Constraint Target ITq+Hk
R
Click OK. i~k?k.t8
File > Save Lens As (new name, digcam20_opt.len) r\_aux^z
Re-run View Lens window to see new lens picture. kZf7
Re-run each of the Quick Analysis windows and note scales. BOfO$J}
Re-run the MTF window, compare to tear-off of starting point u4fTC})4{C
---------------------------------------------------------------------------------------------- M`iJ6L
以下直接复制到命令行即可出最终结果 $?I^Dk
---------------------------------------------------------------------------------------------- Z&J417buk
! Command inputs for Workshop 2-2 (for reference) *1%=?:$(r6
!Restore 20 Degree Digital Camera Lens Setup 4Mg09
!FILE > OPEN "eGS~-DVK
RES digcam20_start.len x"U/M?l
!Vary all radii curvature by right clicking in LDM and selecting VARY Gf]oRNP,N
!HINT: for curvatures highlight all and select vary. Then go back and "ve?7&G7U
!freeze stop surface radius. >-+MWu=
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 s7T=/SC54
!Vary all thicknesses by same method. Do not select surface with solve since 28Q`O$=v
!varying this surface will delete solve. If mistake, use UNDO or go to 5F&i/8Ib
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve JEFW}M)UGv
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 _BcB@a
THC S8 0 !Don't forget to vary the image distance which calculates best h
:NHReMT
!best real-ray focus from paraxial image plane 0qJ 3@d
!Vary glass by highlighting, right clicking, and selecting Vary (}]74Lc
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Gs*ea'T)
!Optimize OPTIMIZATION > AUTOMATIC DESIGN bu@Pxz%_
AUT 2NE/ZqREg
EFL Z1 = 8.25 !Effective Focal Length Constraint #v~zf@<KLB
MNT 0.8 !Minimum Center Thickness General Constraint F-_RL-hbN%
MNE 0.5 !Minimum Edge Thickness General Constraint F)v+.5T1
DRA S1..I YES !Draw a picture of lens system at each cycle }R}tIC-:
GO @RT yCr
!Reanalyze the system. Make sure to "Tear Off" original analysis before Fd|:7NRA<
!re-executing to compare optimized system "fz-h
!Re-execute Drawing `1pri0!
VIE >o'D/'>ku
GO )@))3
!Re-execute MTF zIRa%%.i<
MTF ho^1T3
MFR 68 {"4t`dM
IFR 17 z XVQLz5
GO *4A.R&Vu
!Re-execute Field (Distortion) Analysis 7e}p:Vfp
FIE &+%CC
GO Km\M/j|
!Save Lens FILE > SAVE LENS AS... QC ?8
SAV digcam20_opt