主要是看人家的操作步骤,想学命令的人请看，十分有用 3c]b)n~Y
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) &3J_ ^210
Display > View Lens (accept defaults, click OK, keep window open) I+[>I =ewa
In LDM spreadsheet, select surfaces 1 to Image >aj7||K
Choose Edit > Default Variables, then click in any cell to unselect the range 1p/3 !1
Right click in each cell and choose Vary for ZaV8qAsP
Thickness of surfaces 1, 4, 6 kT"Kyd
Glass of surfaces 1, 4, 6 7Z\--=;|[:
File > Save Lens MHX?@.
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Using Quick Analysis tool bar, click… qUob?|
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Quick Spot Diagram (note scale) s/q7.y7n{
Quick Ray Aberration Plot (note scale) g1W.mAA3B
Quick Field Plot (note scales and maximum distortion value) w35J.zn
Analysis > Diffraction > MTF smRE!f *q
Freq/Calc Tab: Maximum 68, Increment 17 vdx0i&RiL
Graphics tab: Max plot freq 68 jB$IyQ;@
Click OK (keep window open, tear off starting MTF graph for later comparison) T_@K& <
Optimization > Automatic Design r^3a cXl
Output controls: Click Draw System button V'8s8H
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) QLEKsX7p>
Specific constraints: Vzdh8)Mu\
Click Insert Specific Constraint \n8] M\<
Default display is Optical Definitions, Effective Focal Length (correct choice) |"/ 8XA
Enter 8.25 for Constraint Target pgI^4h
Click OK. .!$*:4ok
File > Save Lens As (new name, digcam20_opt.len) gcPTLh[^Er
Re-run View Lens window to see new lens picture. V EqS;~[
Re-run each of the Quick Analysis windows and note scales. A+"ia1p,}
Re-run the MTF window, compare to tear-off of starting point T92U eG
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以下直接复制到命令行即可出最终结果 v9w'!C)b
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! Command inputs for Workshop 2-2 (for reference) h_:C+)13`x
!Restore 20 Degree Digital Camera Lens Setup 4' g;TI^
!FILE > OPEN aT)BR?OYSJ
RES digcam20_start.len ]b7zJU z
!Vary all radii curvature by right clicking in LDM and selecting VARY E*V `":efS
!HINT: for curvatures highlight all and select vary. Then go back and {*0<T|<n
!freeze stop surface radius. p?7v$ev_
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Y^8C) p9r
!Vary all thicknesses by same method. Do not select surface with solve since VY;{/.Sa
!varying this surface will delete solve. If mistake, use UNDO or go to =BSzsH7
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve - @yh> 8v
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Z~oo;xE
THC S8 0 !Don't forget to vary the image distance which calculates best ]iN 'x?Fo
!best real-ray focus from paraxial image plane ysxb?6
!Vary glass by highlighting, right clicking, and selecting Vary e vrXo"3
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 FbaEB RM
!Optimize OPTIMIZATION > AUTOMATIC DESIGN u37'~&o{U
AUT )uj Ex7&c
EFL Z1 = 8.25 !Effective Focal Length Constraint Rz bj
MNT 0.8 !Minimum Center Thickness General Constraint kP#B5K_U|
MNE 0.5 !Minimum Edge Thickness General Constraint &x[E;P *Fg
DRA S1..I YES !Draw a picture of lens system at each cycle DnCP
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GO *1p|5!4c
!Reanalyze the system. Make sure to "Tear Off" original analysis before KIui(n#/
!re-executing to compare optimized system ^?0DP >XA
!Re-execute Drawing dv8>[#
VIE !%^^ \,
GO zVXC1 u9B
!Re-execute MTF b$ve sJ
MTF S M0~fAtE
MFR 68 h U` wVy
IFR 17 k9 "[H'
GO Qy^1*j<@&
!Re-execute Field (Distortion) Analysis UDL!43 K
FIE @wpN6 /
GO pm*xb]8y
!Save Lens FILE > SAVE LENS AS... >XY`*J^
SAV digcam20_opt
