主要是看人家的操作步骤,想学命令的人请看,十分有用 RWv4/=}(G
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) )T"Aji-hy
Display > View Lens (accept defaults, click OK, keep window open) C jf<,x$
In LDM spreadsheet, select surfaces 1 to Image k6M D3c
Choose Edit > Default Variables, then click in any cell to unselect the range
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Right click in each cell and choose Vary for L9O;K$[s
Thickness of surfaces 1, 4, 6 nHm29{G0
Glass of surfaces 1, 4, 6 k Nc-@B
File > Save Lens Hy4;i^Ik <
Using Quick Analysis tool bar, click… Bc.de&Bxz_
Quick Spot Diagram (note scale) "LlQl3"=
Quick Ray Aberration Plot (note scale) KO=$Hr?f;
Quick Field Plot (note scales and maximum distortion value) lv=q( &
Analysis > Diffraction > MTF g;=VuQuP|
Freq/Calc Tab: Maximum 68, Increment 17 ic`BDkNO
Graphics tab: Max plot freq 68 rwJU;wy
Click OK (keep window open, tear off starting MTF graph for later comparison) ~(v5p"]dj
Optimization > Automatic Design UstUPO
Output controls: Click Draw System button (Ff}Y.4
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ~2\Sn-`
Specific constraints: EA(4xj&:U
Click Insert Specific Constraint ["f6Ern
Default display is Optical Definitions, Effective Focal Length (correct choice) MoN0w.V
Enter 8.25 for Constraint Target Wz.iDRFl
Click OK. }O7sP^
File > Save Lens As (new name, digcam20_opt.len) /V 09Na,N
Re-run View Lens window to see new lens picture. >BO$tbU5b
Re-run each of the Quick Analysis windows and note scales. Y >w7%N
Re-run the MTF window, compare to tear-off of starting point F$\Da)Y
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以下直接复制到命令行即可出最终结果 lND2Kb
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! Command inputs for Workshop 2-2 (for reference) jbipNgxkr
!Restore 20 Degree Digital Camera Lens Setup nrMW5>&-`
!FILE > OPEN 2c]"*Pb
RES digcam20_start.len _?H3*!>3
!Vary all radii curvature by right clicking in LDM and selecting VARY oaqH@`
!HINT: for curvatures highlight all and select vary. Then go back and {)"[_<
!freeze stop surface radius. BL 1KM2]
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 *Z"`g
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!Vary all thicknesses by same method. Do not select surface with solve since BeLD`4K
!varying this surface will delete solve. If mistake, use UNDO or go to JD#q6&|
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve )XN%pn
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ;iuwIdo6c
THC S8 0 !Don't forget to vary the image distance which calculates best =_#b
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!best real-ray focus from paraxial image plane pp"#pl
!Vary glass by highlighting, right clicking, and selecting Vary is8i_FoD,n
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 z(LR!hr
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ,i6E L
AUT Op-z"inw
EFL Z1 = 8.25 !Effective Focal Length Constraint ^%,{R},s
MNT 0.8 !Minimum Center Thickness General Constraint Oe;#q
MNE 0.5 !Minimum Edge Thickness General Constraint R ?iCJ5 m
DRA S1..I YES !Draw a picture of lens system at each cycle ,:PMS8pS
GO |:5O|m '
!Reanalyze the system. Make sure to "Tear Off" original analysis before TiI /I`A
!re-executing to compare optimized system s0dP3tz>
!Re-execute Drawing ~BuzI9~7P
VIE N_bgW QY
GO QUW`Yc
!Re-execute MTF }
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MTF *|Vf1R]
MFR 68 Uo >aQk
IFR 17 pL1ABvBB
GO }y6@YfV${
!Re-execute Field (Distortion) Analysis u!|_bI3
FIE zA9q`ePS
GO q6F1Rt
!Save Lens FILE > SAVE LENS AS... D/Ki^E
SAV digcam20_opt