主要是看人家的操作步骤,想学命令的人请看，十分有用 J7~Kjl
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) woN
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Display > View Lens (accept defaults, click OK, keep window open) QU F1_Sa
In LDM spreadsheet, select surfaces 1 to Image ''k}3o.K[
Choose Edit > Default Variables, then click in any cell to unselect the range Uo[`AzD3
Right click in each cell and choose Vary for VTi; y{
Thickness of surfaces 1, 4, 6 t+j dV
Glass of surfaces 1, 4, 6 3E>]6
File > Save Lens Tz7 R:S.
Using Quick Analysis tool bar, click… = N:5# A
Quick Spot Diagram (note scale) mXM U
Quick Ray Aberration Plot (note scale) >feeV k
Quick Field Plot (note scales and maximum distortion value) yA`,ns&n
Analysis > Diffraction > MTF }VVtv1
Freq/Calc Tab: Maximum 68, Increment 17 Jq+@%#G
Graphics tab: Max plot freq 68 |>-0q~
Click OK (keep window open, tear off starting MTF graph for later comparison) ~dLe9-_9
Optimization > Automatic Design 5 RY rAzQo
Output controls: Click Draw System button Bu{%mm(
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 7]hRAhJ8I
Specific constraints: tMo=q7ig
Click Insert Specific Constraint a`Q-5* \;z
Default display is Optical Definitions, Effective Focal Length (correct choice) 6c}nP[6|
Enter 8.25 for Constraint Target '[b w7T
Click OK. 5 L-6@@/
File > Save Lens As (new name, digcam20_opt.len) y@Td]6|f
Re-run View Lens window to see new lens picture. [kPl7[ OL
Re-run each of the Quick Analysis windows and note scales. w2K>k/v{-
Re-run the MTF window, compare to tear-off of starting point '%a:L^a?
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以下直接复制到命令行即可出最终结果 59?$9}ob
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! Command inputs for Workshop 2-2 (for reference) P{,=a]x,mz
!Restore 20 Degree Digital Camera Lens Setup ntZHO}'
!FILE > OPEN gpCWXz')i
RES digcam20_start.len `|:` yl
!Vary all radii curvature by right clicking in LDM and selecting VARY q-e3 ;$
!HINT: for curvatures highlight all and select vary. Then go back and E clsOBg
!freeze stop surface radius. pz.fZ V
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 $t K/3
!Vary all thicknesses by same method. Do not select surface with solve since :r&4/sN}<
!varying this surface will delete solve. If mistake, use UNDO or go to YCyh+%Q(
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve VxU{ZD~<Z"
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 VZ2CWE)t
THC S8 0 !Don't forget to vary the image distance which calculates best |s!n7%|,7
!best real-ray focus from paraxial image plane 5[^Rf' wy
!Vary glass by highlighting, right clicking, and selecting Vary ,LL=b-Es
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 jW}hLj lN
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 6O'Y@9#
AUT 4>]B8ZxH
EFL Z1 = 8.25 !Effective Focal Length Constraint :} o{<U
MNT 0.8 !Minimum Center Thickness General Constraint sT91>'&
MNE 0.5 !Minimum Edge Thickness General Constraint <In+V
DRA S1..I YES !Draw a picture of lens system at each cycle FXid=&T@0D
GO ,4(m.P10
!Reanalyze the system. Make sure to "Tear Off" original analysis before ''.\DC~K
!re-executing to compare optimized system &3P"l .j
!Re-execute Drawing ?6:e%YT
VIE IY|>'}UU#
GO VJtRL')
!Re-execute MTF &=lh Kt
MTF ket"fXqJX
MFR 68 S#\Cyn2(t
IFR 17 +^%0/0e
GO z>spRl,dr
!Re-execute Field (Distortion) Analysis UR[UZ4G
FIE f5.Be%
GO 0Rh*SoYrC
!Save Lens FILE > SAVE LENS AS... &GI'-i
SAV digcam20_opt
