主要是看人家的操作步骤,想学命令的人请看，十分有用 p3>(ZWPNV
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) -e< d//>
Display > View Lens (accept defaults, click OK, keep window open) I\ e?v`e
In LDM spreadsheet, select surfaces 1 to Image HJ#3wk "W
Choose Edit > Default Variables, then click in any cell to unselect the range nOq?Q
Right click in each cell and choose Vary for Qn= 3b:S-
Thickness of surfaces 1, 4, 6 GL;@he P
Glass of surfaces 1, 4, 6 O ~
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File > Save Lens PdiP5S }/
Using Quick Analysis tool bar, click… pde,@0(Fa
Quick Spot Diagram (note scale) \f| Hk*@
Quick Ray Aberration Plot (note scale) sF9{(Us
Quick Field Plot (note scales and maximum distortion value) W0e+yIaR
Analysis > Diffraction > MTF %smQ`u|
Freq/Calc Tab: Maximum 68, Increment 17 ( Z:(f~;
Graphics tab: Max plot freq 68 _vOV(#q2a
Click OK (keep window open, tear off starting MTF graph for later comparison) CTawXH M
Optimization > Automatic Design kc*zP=
Output controls: Click Draw System button ^n8ioL\*i
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) | OW/-&)
Specific constraints: !ie MhJ5r
Click Insert Specific Constraint N>h/!#
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Default display is Optical Definitions, Effective Focal Length (correct choice) C]S~ DK1
Enter 8.25 for Constraint Target ` =m[(CLb
Click OK. V~#e%&73FH
File > Save Lens As (new name, digcam20_opt.len) kk|7{83O
Re-run View Lens window to see new lens picture. aq~>$CHa
Re-run each of the Quick Analysis windows and note scales. Zop3[-
Re-run the MTF window, compare to tear-off of starting point 9%fd\o@X
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以下直接复制到命令行即可出最终结果 UN ;9h9
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! Command inputs for Workshop 2-2 (for reference) J%Vcv BaJm
!Restore 20 Degree Digital Camera Lens Setup a=ye!CN^
!FILE > OPEN -64@}Ts*?
RES digcam20_start.len 'ec G:B`S
!Vary all radii curvature by right clicking in LDM and selecting VARY ? :StFlie
!HINT: for curvatures highlight all and select vary. Then go back and (EW<Ggi
!freeze stop surface radius. i4<&zj})
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 fZ QL!j4
!Vary all thicknesses by same method. Do not select surface with solve since t<~WDI|AN
!varying this surface will delete solve. If mistake, use UNDO or go to EY~b,MI L4
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve C]@v60I
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 dA,irb I0W
THC S8 0 !Don't forget to vary the image distance which calculates best Q 6>7{\8l
!best real-ray focus from paraxial image plane 'u 9,L FO
!Vary glass by highlighting, right clicking, and selecting Vary R%gkRx[
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 g%C!)UbT
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 0*e)_l!
AUT TtZ Zjeg+V
EFL Z1 = 8.25 !Effective Focal Length Constraint Wp2W :JX:
MNT 0.8 !Minimum Center Thickness General Constraint $g hAC
MNE 0.5 !Minimum Edge Thickness General Constraint jM <=>P
DRA S1..I YES !Draw a picture of lens system at each cycle 0[A4k :
GO 9NUft8QB
!Reanalyze the system. Make sure to "Tear Off" original analysis before FEOr'H<3x
!re-executing to compare optimized system P:~X az\F
!Re-execute Drawing 4)]w"z0Pc
VIE |X}H&wBWo
GO !T+jb\O_
!Re-execute MTF woSO 4e/
MTF v?AQ& 'Fk
MFR 68 iJ8 5okv'
IFR 17 SW94(4qo
GO | aAu 4
!Re-execute Field (Distortion) Analysis 0wFa7PyG?
FIE >Q(+H-w
GO ?(C(9v O
!Save Lens FILE > SAVE LENS AS... xXa* d
SAV digcam20_opt
