主要是看人家的操作步骤,想学命令的人请看，十分有用 g:.,}L
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) bMqu5G_q
Display > View Lens (accept defaults, click OK, keep window open) zbI wH6
In LDM spreadsheet, select surfaces 1 to Image O?j98H
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Choose Edit > Default Variables, then click in any cell to unselect the range Z!]U&A x`Z
Right click in each cell and choose Vary for 0_,3/EWa
Thickness of surfaces 1, 4, 6 !
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Glass of surfaces 1, 4, 6 r?5@Etpg
File > Save Lens dVsAX (
Using Quick Analysis tool bar, click… 9Th32}H
Quick Spot Diagram (note scale) /c_kj2& ]9
Quick Ray Aberration Plot (note scale) i">z8?qF
Quick Field Plot (note scales and maximum distortion value) g9([3pV,
Analysis > Diffraction > MTF N1s $3Ul
Freq/Calc Tab: Maximum 68, Increment 17 }QWTPRn
Graphics tab: Max plot freq 68 K+h9bI/Sf
Click OK (keep window open, tear off starting MTF graph for later comparison) qSpa4W[
Optimization > Automatic Design 6uCk0
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Output controls: Click Draw System button Kbz7
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) z~}StCH(
Specific constraints: | z(Ws
Click Insert Specific Constraint aCUV[CPw
Default display is Optical Definitions, Effective Focal Length (correct choice) qOcG|UgF
Enter 8.25 for Constraint Target OU)p)Y_z
Click OK. YL9t3 ]
File > Save Lens As (new name, digcam20_opt.len) p(x1D]#Z[
Re-run View Lens window to see new lens picture. &-8-xw#.
Re-run each of the Quick Analysis windows and note scales. RK~FT/
Re-run the MTF window, compare to tear-off of starting point K)h" G#NZM
---------------------------------------------------------------------------------------------- ^7~ SS2t!
以下直接复制到命令行即可出最终结果 WB=<W#?w7%
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! Command inputs for Workshop 2-2 (for reference) G3_mWpp H
!Restore 20 Degree Digital Camera Lens Setup ~G{$ P'[
!FILE > OPEN 3h D2C'KD
RES digcam20_start.len ir@N>_
!Vary all radii curvature by right clicking in LDM and selecting VARY -aH?7HV }
!HINT: for curvatures highlight all and select vary. Then go back and i"sYf9,
!freeze stop surface radius. /4"S}P>f
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 /K1 $_
!Vary all thicknesses by same method. Do not select surface with solve since ?) ,xZ1"
!varying this surface will delete solve. If mistake, use UNDO or go to F" m}mf
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 9A}
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 6t7;}t]t
THC S8 0 !Don't forget to vary the image distance which calculates best 1)/T.q<D"
!best real-ray focus from paraxial image plane ;GSFQ:m[
!Vary glass by highlighting, right clicking, and selecting Vary Pv2nV!X6
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 z W" 3K
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Xg!|F[i
AUT o$blPTN
EFL Z1 = 8.25 !Effective Focal Length Constraint &Xl_sDvt
MNT 0.8 !Minimum Center Thickness General Constraint Y%CL@G60
MNE 0.5 !Minimum Edge Thickness General Constraint B 1d%#
DRA S1..I YES !Draw a picture of lens system at each cycle jzJ1+/9
GO vq0M[V y
!Reanalyze the system. Make sure to "Tear Off" original analysis before ^zWO[$n}tP
!re-executing to compare optimized system 7ck0S+N'b
!Re-execute Drawing qs
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GO #Rm=Em}d
!Re-execute MTF ' 9p5UC
MTF 1[g jb((
MFR 68 TNFm7}=
IFR 17 ^d5. /M8Bd
GO m"|(w`n]E+
!Re-execute Field (Distortion) Analysis *Xt c`XH
FIE Acq>M^E3
GO h$ETH1Ue
!Save Lens FILE > SAVE LENS AS... Wse*gO
SAV digcam20_opt
