主要是看人家的操作步骤,想学命令的人请看，十分有用 /a tW8 `&
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) n/+.s(7c
Display > View Lens (accept defaults, click OK, keep window open) G LIi6
In LDM spreadsheet, select surfaces 1 to Image ] Hzt b
Choose Edit > Default Variables, then click in any cell to unselect the range Uk^B"y_
Right click in each cell and choose Vary for _3 TY,l~
Thickness of surfaces 1, 4, 6 IOq wCD[
Glass of surfaces 1, 4, 6 !bN*\ c
File > Save Lens _*1`@
Using Quick Analysis tool bar, click… orWbU
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Quick Spot Diagram (note scale) "#{4d),r
Quick Ray Aberration Plot (note scale) hRUhX[
Quick Field Plot (note scales and maximum distortion value) 45,1-? -!
Analysis > Diffraction > MTF j)<IRD^
Freq/Calc Tab: Maximum 68, Increment 17 ;#vKi0V7
Graphics tab: Max plot freq 68 &Low/Y'.jJ
Click OK (keep window open, tear off starting MTF graph for later comparison) q,93nhs "
Optimization > Automatic Design ]x(e&fyHB
Output controls: Click Draw System button m^ tFi7c
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) X voo=
Specific constraints: B{'( L |
Click Insert Specific Constraint Cjc6d4 ~
Default display is Optical Definitions, Effective Focal Length (correct choice) ki?S~' a
Enter 8.25 for Constraint Target 'Vz P};
Click OK. ;/r1}tl+3>
File > Save Lens As (new name, digcam20_opt.len) $5ak_@AC
Re-run View Lens window to see new lens picture. MP_ ~<Q
Re-run each of the Quick Analysis windows and note scales. .J)I | '
Re-run the MTF window, compare to tear-off of starting point +n{#V;J
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以下直接复制到命令行即可出最终结果 y5 *Z 3"<
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! Command inputs for Workshop 2-2 (for reference) }\\KYyjY
!Restore 20 Degree Digital Camera Lens Setup 4 QvsBpz@
!FILE > OPEN 3?V _BUoON
RES digcam20_start.len 18+)`M-5o
!Vary all radii curvature by right clicking in LDM and selecting VARY `(_s|-$
!HINT: for curvatures highlight all and select vary. Then go back and E\as@pqo\p
!freeze stop surface radius. WtG~('g>&
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 "4ri SxEyF
!Vary all thicknesses by same method. Do not select surface with solve since bN]+ _ mF
!varying this surface will delete solve. If mistake, use UNDO or go to C8 Q a$._
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve F'4w;-ax
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 bpH^:fyLU`
THC S8 0 !Don't forget to vary the image distance which calculates best zNxW'?0Z?
!best real-ray focus from paraxial image plane 8<8:+M}
!Vary glass by highlighting, right clicking, and selecting Vary "Zl 5 <
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 JBE!j-F
!Optimize OPTIMIZATION > AUTOMATIC DESIGN x:),P-~w
AUT }<@b= _>S
EFL Z1 = 8.25 !Effective Focal Length Constraint [d(U3 8BI
MNT 0.8 !Minimum Center Thickness General Constraint 8Kg n"M3
MNE 0.5 !Minimum Edge Thickness General Constraint gkE S5Q
DRA S1..I YES !Draw a picture of lens system at each cycle >7I15U
GO &7PG.Ff!r
!Reanalyze the system. Make sure to "Tear Off" original analysis before jQ2Ot <
!re-executing to compare optimized system PsnWWj?c
!Re-execute Drawing w<Wf?a G
VIE [N7{WSZ&
GO 8$ 6Y{$&C
!Re-execute MTF o4m\~as)Y
MTF ^(vs.U^U<
MFR 68 OSs&r$
IFR 17 mZ SD (
GO Sdt`i
!Re-execute Field (Distortion) Analysis t&H?\)!4
FIE pR(jglm7-
GO '*5 i)^
!Save Lens FILE > SAVE LENS AS... -I8=T]_D
SAV digcam20_opt
