| longlllooo |
2006-03-27 20:26 |
主要是看人家的操作步骤,想学命令的人请看，十分有用 eb woMG,B-
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) (: k`wh&
Display > View Lens (accept defaults, click OK, keep window open) h 0QQP
In LDM spreadsheet, select surfaces 1 to Image F9%VyQf
Choose Edit > Default Variables, then click in any cell to unselect the range yAkN2
Right click in each cell and choose Vary for qiJ;v1
Thickness of surfaces 1, 4, 6 Ybiz]1d
Glass of surfaces 1, 4, 6 J, U~ .c
File > Save Lens 9
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Using Quick Analysis tool bar, click… 4nXS 9RiF2
Quick Spot Diagram (note scale) WoR**J?}w
Quick Ray Aberration Plot (note scale) hpKc_|un
Quick Field Plot (note scales and maximum distortion value) ~OfKn1D
Analysis > Diffraction > MTF / UBAQ8TR
Freq/Calc Tab: Maximum 68, Increment 17 KAEpFob Yo
Graphics tab: Max plot freq 68 WuXRL}!\,
Click OK (keep window open, tear off starting MTF graph for later comparison) !t{!.
Optimization > Automatic Design TyXOd,%zl
Output controls: Click Draw System button m5 g: Q
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) )Em,3I/.l
Specific constraints: ~/[N)RFD
Click Insert Specific Constraint jH/% Z5iu
Default display is Optical Definitions, Effective Focal Length (correct choice) : | ( B[
Enter 8.25 for Constraint Target }+3~y 'k
Click OK. WL]'lSHa
File > Save Lens As (new name, digcam20_opt.len) h"m7r4f
Re-run View Lens window to see new lens picture. S(xA}0]
Re-run each of the Quick Analysis windows and note scales. }Ec "&
Re-run the MTF window, compare to tear-off of starting point Qp Vm
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以下直接复制到命令行即可出最终结果 ~qxc!k!w4
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! Command inputs for Workshop 2-2 (for reference) ^<b.j.$<z
!Restore 20 Degree Digital Camera Lens Setup j
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!FILE > OPEN I[ C.iILL
RES digcam20_start.len x&p=vUuukP
!Vary all radii curvature by right clicking in LDM and selecting VARY
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!HINT: for curvatures highlight all and select vary. Then go back and _Y~?. hs^
!freeze stop surface radius. G _o4A:2
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 0$
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!Vary all thicknesses by same method. Do not select surface with solve since 94/}@<d-=
!varying this surface will delete solve. If mistake, use UNDO or go to 8b
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ?os0JQVB
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 5 Ep
THC S8 0 !Don't forget to vary the image distance which calculates best t?Znil| o
!best real-ray focus from paraxial image plane evP`&23tP
!Vary glass by highlighting, right clicking, and selecting Vary Vngi8%YWp
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 IR Y2H#:$
!Optimize OPTIMIZATION > AUTOMATIC DESIGN OMNdvrE*=O
AUT 8i"fhN3?Y
EFL Z1 = 8.25 !Effective Focal Length Constraint G_RK3E[FK
MNT 0.8 !Minimum Center Thickness General Constraint BJTljg( {o
MNE 0.5 !Minimum Edge Thickness General Constraint I}{eYXh
DRA S1..I YES !Draw a picture of lens system at each cycle !<'R%<E3 Q
GO BC+qeocg
!Reanalyze the system. Make sure to "Tear Off" original analysis before ^a
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!re-executing to compare optimized system _^ZII
!Re-execute Drawing `WL*Jb
VIE ? Ci\3)u,P
GO To95WG7G
!Re-execute MTF S uSZ,>
MTF Bf'(JJ7&N
MFR 68 N11am
IFR 17 P n DZi
GO 48VsHqG
!Re-execute Field (Distortion) Analysis sa ])^mkq(
FIE )c_l l;%
GO s,8%;\!C
!Save Lens FILE > SAVE LENS AS... TY}?>t+
SAV digcam20_opt
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