主要是看人家的操作步骤,想学命令的人请看，十分有用 yTw0\yiO
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Z~o*$tF/
Display > View Lens (accept defaults, click OK, keep window open) ]X +3"
In LDM spreadsheet, select surfaces 1 to Image juuBLv
Choose Edit > Default Variables, then click in any cell to unselect the range 0N.tPF}
Right click in each cell and choose Vary for <^VZ4$j
Thickness of surfaces 1, 4, 6 q4vu r>m6
Glass of surfaces 1, 4, 6 '01H8er
File > Save Lens -!(
Using Quick Analysis tool bar, click… N$J)Ow
Quick Spot Diagram (note scale) o[*</A
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Quick Ray Aberration Plot (note scale) -bSe=09;S|
Quick Field Plot (note scales and maximum distortion value) ~I6 Er6$C^
Analysis > Diffraction > MTF ~*D)L'`2M
Freq/Calc Tab: Maximum 68, Increment 17 ^\ &:'$f+8
Graphics tab: Max plot freq 68 #5O'XH5_
Click OK (keep window open, tear off starting MTF graph for later comparison) W?{: HV
Optimization > Automatic Design |E-0P=h
Output controls: Click Draw System button /E(H`;DG
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) y|b|_eE?{
Specific constraints: S4kGy}{+i
Click Insert Specific Constraint W;*rSK|(Sc
Default display is Optical Definitions, Effective Focal Length (correct choice) M*| y&XBe
Enter 8.25 for Constraint Target ^a|$z$spf
Click OK. }.|\<8_
File > Save Lens As (new name, digcam20_opt.len) cH6ie?KvAo
Re-run View Lens window to see new lens picture. k %#`{#n i
Re-run each of the Quick Analysis windows and note scales. _GK^ 7}u
Re-run the MTF window, compare to tear-off of starting point Y- &r_s_~
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以下直接复制到命令行即可出最终结果 13G a #
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! Command inputs for Workshop 2-2 (for reference) W<TW6_*e
!Restore 20 Degree Digital Camera Lens Setup % *P59%
!FILE > OPEN j~V@0z.
RES digcam20_start.len _lb ^
!Vary all radii curvature by right clicking in LDM and selecting VARY -yeQQ4b
!HINT: for curvatures highlight all and select vary. Then go back and R|H9AM
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!freeze stop surface radius. * =0Wh@?0
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Pgg6(O9}B^
!Vary all thicknesses by same method. Do not select surface with solve since NAh V8
!varying this surface will delete solve. If mistake, use UNDO or go to La? q>
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve {
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 I})la!9
THC S8 0 !Don't forget to vary the image distance which calculates best _:0<]<x?
!best real-ray focus from paraxial image plane MK[l*=\s
!Vary glass by highlighting, right clicking, and selecting Vary 4NbX! "0
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 )eGGA6G
!Optimize OPTIMIZATION > AUTOMATIC DESIGN bv0 B
AUT n1o/-UY
EFL Z1 = 8.25 !Effective Focal Length Constraint CmRn
MNT 0.8 !Minimum Center Thickness General Constraint AL! ^1hCF
MNE 0.5 !Minimum Edge Thickness General Constraint y4) M, +O5
DRA S1..I YES !Draw a picture of lens system at each cycle qf+jfc(Iby
GO aGNVqS%y
!Reanalyze the system. Make sure to "Tear Off" original analysis before 2F^
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!re-executing to compare optimized system 'Z'X`_
!Re-execute Drawing dra'1E
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GO g}IdU;X$NT
!Re-execute MTF y&9S+
MTF @8Drh x
MFR 68 RGhl` ;
IFR 17 MLY19 ;e
GO #NNj#
!Re-execute Field (Distortion) Analysis .=rv,PWjZ
FIE m{!BSl
GO L@S"c
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!Save Lens FILE > SAVE LENS AS... 5}9-)\8=z
SAV digcam20_opt
