主要是看人家的操作步骤,想学命令的人请看,十分有用 ~ArRD-_t
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) AqQ5L>:Gq
Display > View Lens (accept defaults, click OK, keep window open) _qk&W_u
In LDM spreadsheet, select surfaces 1 to Image Gg
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Choose Edit > Default Variables, then click in any cell to unselect the range 8"NPj0
Right click in each cell and choose Vary for /E{tNd^S
Thickness of surfaces 1, 4, 6 )mI>2<Z!
Glass of surfaces 1, 4, 6 DzA'MX
File > Save Lens 8 l= EL7
Using Quick Analysis tool bar, click… T*Ge67
Quick Spot Diagram (note scale) A.7lo
Quick Ray Aberration Plot (note scale) })kx#_o]'d
Quick Field Plot (note scales and maximum distortion value) GV) "[O
Analysis > Diffraction > MTF =_3rc\0
Freq/Calc Tab: Maximum 68, Increment 17 uTz>I'f
Graphics tab: Max plot freq 68 )h>dD
Click OK (keep window open, tear off starting MTF graph for later comparison) yKK9b
Optimization > Automatic Design thX4-'i
Output controls: Click Draw System button ^?\|2H
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) }X=c|]6i^
Specific constraints: Voq/0,d
Click Insert Specific Constraint ZQir?1=
Default display is Optical Definitions, Effective Focal Length (correct choice) 'r_Fi5[q
Enter 8.25 for Constraint Target _
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Click OK. y4 ]5z/
File > Save Lens As (new name, digcam20_opt.len) }M"])B I
Re-run View Lens window to see new lens picture. l O*
Re-run each of the Quick Analysis windows and note scales. %qE"A6j
Re-run the MTF window, compare to tear-off of starting point W?!rqo2SP
---------------------------------------------------------------------------------------------- 9C Ki$L
以下直接复制到命令行即可出最终结果 wL]#]DiE
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! Command inputs for Workshop 2-2 (for reference) J{kS4v*J
!Restore 20 Degree Digital Camera Lens Setup PA*k|
!FILE > OPEN t;PG
RES digcam20_start.len 2u5\tp?8
!Vary all radii curvature by right clicking in LDM and selecting VARY pV\ >?
!HINT: for curvatures highlight all and select vary. Then go back and .V}bfd[k$
!freeze stop surface radius. S9nn^vsK
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 -bSM]86
!Vary all thicknesses by same method. Do not select surface with solve since y0?HZ Xq
!varying this surface will delete solve. If mistake, use UNDO or go to Z!fbc#L6
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve car|&b
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 'L9hM.+
THC S8 0 !Don't forget to vary the image distance which calculates best U H+#Nel+!
!best real-ray focus from paraxial image plane m!^$_d\%~
!Vary glass by highlighting, right clicking, and selecting Vary SD8>,
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 UmMu|`
!Optimize OPTIMIZATION > AUTOMATIC DESIGN aMkuyqPf{
AUT xI#rnx*
EFL Z1 = 8.25 !Effective Focal Length Constraint ei=u$S.
MNT 0.8 !Minimum Center Thickness General Constraint Rg46V-"d,@
MNE 0.5 !Minimum Edge Thickness General Constraint PQYJnx}
DRA S1..I YES !Draw a picture of lens system at each cycle :P%?!'M
GO aTvLQ@MQ
!Reanalyze the system. Make sure to "Tear Off" original analysis before jA~omX2A
!re-executing to compare optimized system Bf+~&I#E
!Re-execute Drawing M$>Nd6,@N
VIE '^7UcgugB
GO X_bB6A6
!Re-execute MTF KyP@ hhj
MTF vo)W
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MFR 68 Lc]hwMGR*
IFR 17 saQo]6#
GO <HS{A$]
!Re-execute Field (Distortion) Analysis Vu4LC&q
FIE =,qY\@fq
GO 0jxXUWO
!Save Lens FILE > SAVE LENS AS... ZJhI|wRwD
SAV digcam20_opt