主要是看人家的操作步骤,想学命令的人请看，十分有用 \y5lYb,*c_
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) _Xt/U>N
Display > View Lens (accept defaults, click OK, keep window open) J(l\VvK
In LDM spreadsheet, select surfaces 1 to Image c1 "wS*u
Choose Edit > Default Variables, then click in any cell to unselect the range b2OwLt9
Right click in each cell and choose Vary for $Lr& V ~
Thickness of surfaces 1, 4, 6 F#gA2VCm
Glass of surfaces 1, 4, 6 @"@|O>KJ
File > Save Lens
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Using Quick Analysis tool bar, click… "esuLQC
Quick Spot Diagram (note scale) F(yR\ )!C
Quick Ray Aberration Plot (note scale) A$=n y6
Quick Field Plot (note scales and maximum distortion value) 0&UG=q
Analysis > Diffraction > MTF &{V |%u}v
Freq/Calc Tab: Maximum 68, Increment 17 J,
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Graphics tab: Max plot freq 68 t,?, T~#9
Click OK (keep window open, tear off starting MTF graph for later comparison) LUbj^iQ9
Optimization > Automatic Design `q c"JB
Output controls: Click Draw System button u]Ku96!
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) uQIPnd(V
Specific constraints: >$JE!.p%o
Click Insert Specific Constraint ) 2Ei<
Default display is Optical Definitions, Effective Focal Length (correct choice) Hu"$ )V
Enter 8.25 for Constraint Target +@Qr GY
Click OK. `eM ZhY o
File > Save Lens As (new name, digcam20_opt.len) 2iG+Ek-?"
Re-run View Lens window to see new lens picture. J'}+0mln
Re-run each of the Quick Analysis windows and note scales. [)Nt;|U
Re-run the MTF window, compare to tear-off of starting point _y~6b{T
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以下直接复制到命令行即可出最终结果 f~ NS{gL*
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! Command inputs for Workshop 2-2 (for reference) +]eG=.
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!Restore 20 Degree Digital Camera Lens Setup N4vcd=uG#
!FILE > OPEN k|/VNV( =0
RES digcam20_start.len Rn~'S2`u
!Vary all radii curvature by right clicking in LDM and selecting VARY mD'nF1o
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!HINT: for curvatures highlight all and select vary. Then go back and p A OKy
!freeze stop surface radius. w a_{\v=
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 9^XZ|`
!Vary all thicknesses by same method. Do not select surface with solve since ,^([aK
!varying this surface will delete solve. If mistake, use UNDO or go to
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve SaXt"Ju,AH
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 G'\[dwD,u
THC S8 0 !Don't forget to vary the image distance which calculates best .o/|]d`%
!best real-ray focus from paraxial image plane l zFiZx
!Vary glass by highlighting, right clicking, and selecting Vary [c3!xHt5O
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 cy8>M))c
!Optimize OPTIMIZATION > AUTOMATIC DESIGN uppa`addK
AUT ] `$6=) _X
EFL Z1 = 8.25 !Effective Focal Length Constraint 9i\RdJv.
MNT 0.8 !Minimum Center Thickness General Constraint $`|h F[tv
MNE 0.5 !Minimum Edge Thickness General Constraint 9WG=3!-@
DRA S1..I YES !Draw a picture of lens system at each cycle ;\7`G!q
GO JTKS5 r7?
!Reanalyze the system. Make sure to "Tear Off" original analysis before nLm 'a_
!re-executing to compare optimized system 4;6"I2;zfG
!Re-execute Drawing i{fw?))+
VIE !igPyhi,hl
GO }dN\bb {#
!Re-execute MTF ArtY;.cg%
MTF bo=H-d|
MFR 68 u& l ;\w
IFR 17 jA1S|gV
GO >
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!Re-execute Field (Distortion) Analysis { 4j<X5V
FIE ?Z{/0X)]|
GO c, r6+oX
!Save Lens FILE > SAVE LENS AS... c +]r
SAV digcam20_opt
