| 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 a-tm q]]E
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 2[yd> (`
Display > View Lens (accept defaults, click OK, keep window open) Q{>k1$fkV
In LDM spreadsheet, select surfaces 1 to Image RP|`HkP-2
Choose Edit > Default Variables, then click in any cell to unselect the range ue"~9JK.
Right click in each cell and choose Vary for 3,w_ ".m`#
Thickness of surfaces 1, 4, 6 3=[mP, pLh
Glass of surfaces 1, 4, 6 {Xy5pfW
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File > Save Lens G_JA-@i%
Using Quick Analysis tool bar, click… Y@iS_lR
Quick Spot Diagram (note scale) RB\uK
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Quick Ray Aberration Plot (note scale) Tidn-2L73O
Quick Field Plot (note scales and maximum distortion value) pki%vRY
Analysis > Diffraction > MTF S hWJ72c
Freq/Calc Tab: Maximum 68, Increment 17 9*wK@yEl
Graphics tab: Max plot freq 68 |r/"
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Click OK (keep window open, tear off starting MTF graph for later comparison) |Ez>J+uye(
Optimization > Automatic Design @H C Vmg :
Output controls: Click Draw System button IOH}x4
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) l'qg8
Specific constraints: }<r)~{UV
Click Insert Specific Constraint q2j{tP#
Default display is Optical Definitions, Effective Focal Length (correct choice) sP~<*U.7
Enter 8.25 for Constraint Target ^ytrK
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Click OK. +sA2WK]
File > Save Lens As (new name, digcam20_opt.len) *^4"5X @
Re-run View Lens window to see new lens picture. Qv-_ jZ
Re-run each of the Quick Analysis windows and note scales. BxmWIItz
Re-run the MTF window, compare to tear-off of starting point B 3I`40#
---------------------------------------------------------------------------------------------- N+xP26D8
以下直接复制到命令行即可出最终结果 J@'wf8Ub
---------------------------------------------------------------------------------------------- IT BE|b
! Command inputs for Workshop 2-2 (for reference) 6 gE7e|+
!Restore 20 Degree Digital Camera Lens Setup zw[m9N5\h
!FILE > OPEN Avc% 2 +
RES digcam20_start.len x9g#<2 w8
!Vary all radii curvature by right clicking in LDM and selecting VARY ND;#7/$>
!HINT: for curvatures highlight all and select vary. Then go back and t:Q*gW Rh
!freeze stop surface radius. Fxz"DZY6
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 LR A8p<Rs
!Vary all thicknesses by same method. Do not select surface with solve since ZBthU")?
!varying this surface will delete solve. If mistake, use UNDO or go to " 8MF_Gu):
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Sm|6 %3
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 2ilQXy
THC S8 0 !Don't forget to vary the image distance which calculates best t WRC$
!best real-ray focus from paraxial image plane x;d6vBTUb
!Vary glass by highlighting, right clicking, and selecting Vary h]gp ^?=
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 >bW #Zs,6
!Optimize OPTIMIZATION > AUTOMATIC DESIGN oPM96
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AUT CdQ!GS<'y
EFL Z1 = 8.25 !Effective Focal Length Constraint Y3b *a".X
MNT 0.8 !Minimum Center Thickness General Constraint @9s$4DS
MNE 0.5 !Minimum Edge Thickness General Constraint D,feF 9
DRA S1..I YES !Draw a picture of lens system at each cycle 7:1Lol-V
GO 5j(k:a+!H
!Reanalyze the system. Make sure to "Tear Off" original analysis before &QgR*,5eo
!re-executing to compare optimized system i/4>2y9/F4
!Re-execute Drawing $& td=OK
VIE T~e.PP
GO K0 >zxqY
!Re-execute MTF .k !{*
MTF V,njO{Q
MFR 68 sgFEK[w.y
IFR 17 [W&T(%(W-
GO ?@86P|19
!Re-execute Field (Distortion) Analysis 7[) E>XRE
FIE e^voW "?%
GO /N{*"s2)
!Save Lens FILE > SAVE LENS AS... n[rCQdM&U"
SAV digcam20_opt
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