主要是看人家的操作步骤,想学命令的人请看，十分有用 _'c+fG
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) *CUd GI&
Display > View Lens (accept defaults, click OK, keep window open) zUQe0Gc.b^
In LDM spreadsheet, select surfaces 1 to Image 9 -- dRTG
Choose Edit > Default Variables, then click in any cell to unselect the range < |JU( B
Right click in each cell and choose Vary for ~L){O*Z
Thickness of surfaces 1, 4, 6 P PgW
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Glass of surfaces 1, 4, 6 4Iq5+Q
File > Save Lens IO[^z
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Using Quick Analysis tool bar, click… 56 ZrCr
Quick Spot Diagram (note scale) `cO|RhD @
Quick Ray Aberration Plot (note scale) [a NhP;<
Quick Field Plot (note scales and maximum distortion value) YKq0f=Ij
Analysis > Diffraction > MTF %]GV+!3S
Freq/Calc Tab: Maximum 68, Increment 17 ('HxHOh2
Graphics tab: Max plot freq 68 ; .0LRWcJ
Click OK (keep window open, tear off starting MTF graph for later comparison) q2Rf@nt
Optimization > Automatic Design =~",/I?
Output controls: Click Draw System button JjDS"hK#
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) #01/(:7
Specific constraints: /hfUPO5
Click Insert Specific Constraint _FF v#R*4
Default display is Optical Definitions, Effective Focal Length (correct choice) pE(sV{PD
Enter 8.25 for Constraint Target j]4,6` b\
Click OK. {r {>?)O
File > Save Lens As (new name, digcam20_opt.len) ! =knppY
Re-run View Lens window to see new lens picture. >Qk97we'9
Re-run each of the Quick Analysis windows and note scales. LT& / 0
Re-run the MTF window, compare to tear-off of starting point .pKN4
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以下直接复制到命令行即可出最终结果 W+/2c4$F3
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! Command inputs for Workshop 2-2 (for reference) ax]9QrA
!Restore 20 Degree Digital Camera Lens Setup U
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!FILE > OPEN 'v +96b/;
RES digcam20_start.len 43F^J%G
!Vary all radii curvature by right clicking in LDM and selecting VARY %\l0-RA@<
!HINT: for curvatures highlight all and select vary. Then go back and _0*=u$~R
!freeze stop surface radius. X_!$Pk7ma
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 K]MzP|T,
!Vary all thicknesses by same method. Do not select surface with solve since th9 0O|;
!varying this surface will delete solve. If mistake, use UNDO or go to ) =Y-f?o!
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve O E]~@eU
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 )Kr(Y.w
THC S8 0 !Don't forget to vary the image distance which calculates best g!\QIv1D
!best real-ray focus from paraxial image plane 3m~U(yho
!Vary glass by highlighting, right clicking, and selecting Vary P8u"T !G
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 BMF3XcH~G
!Optimize OPTIMIZATION > AUTOMATIC DESIGN r=|vad$
AUT s1v{~xP
EFL Z1 = 8.25 !Effective Focal Length Constraint }R\B.2#M_@
MNT 0.8 !Minimum Center Thickness General Constraint ~"\P~cg0J
MNE 0.5 !Minimum Edge Thickness General Constraint ]svw
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DRA S1..I YES !Draw a picture of lens system at each cycle Hj1k-Bs&'w
GO ~(M*6b
!Reanalyze the system. Make sure to "Tear Off" original analysis before 78gob&p ?
!re-executing to compare optimized system BHIM'24bp
!Re-execute Drawing r*>QT:sB
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GO %va[jJ
!Re-execute MTF (s. o
MTF z^"?sd
MFR 68 2pw>B%1WP)
IFR 17 )~G8 L Z
GO hg!x_Eq|
!Re-execute Field (Distortion) Analysis PaA6Z":
FIE ,Qga|n8C
GO ^1()W,B~w
!Save Lens FILE > SAVE LENS AS... >&g2 IvDS
SAV digcam20_opt
