主要是看人家的操作步骤,想学命令的人请看，十分有用 @e_ bG@
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) X
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Display > View Lens (accept defaults, click OK, keep window open) y pv ~F
In LDM spreadsheet, select surfaces 1 to Image Z!P7mH\c}
Choose Edit > Default Variables, then click in any cell to unselect the range $ Aw"?&d"
Right click in each cell and choose Vary for e mo@&6*
Thickness of surfaces 1, 4, 6 %(,Kj
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Glass of surfaces 1, 4, 6 kqfO3{-;{:
File > Save Lens ~e5hfZv|w
Using Quick Analysis tool bar, click… [kIiKLX
Quick Spot Diagram (note scale) Gvk)H$ni
Quick Ray Aberration Plot (note scale) 1o. O]>
Quick Field Plot (note scales and maximum distortion value) fG107{!g=
Analysis > Diffraction > MTF |Fk >NX
Freq/Calc Tab: Maximum 68, Increment 17 l.c*, 9
Graphics tab: Max plot freq 68 |?=K '[ 5
Click OK (keep window open, tear off starting MTF graph for later comparison) .|Pq!uLvc
Optimization > Automatic Design GRK+/ 1 C
Output controls: Click Draw System button h|tdK ;)
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) z U;%s<(p
Specific constraints: )DS|mM)
Click Insert Specific Constraint _s/ 5oRHA
Default display is Optical Definitions, Effective Focal Length (correct choice) /G`'9cD
Enter 8.25 for Constraint Target "#d>3M_
Click OK. 0>?%{Xy
File > Save Lens As (new name, digcam20_opt.len) IvFxI#.ju
Re-run View Lens window to see new lens picture. X\:;A {
Re-run each of the Quick Analysis windows and note scales. )_eEM1
Re-run the MTF window, compare to tear-off of starting point ]Z?y\L*M-
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以下直接复制到命令行即可出最终结果 ; by` [)
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! Command inputs for Workshop 2-2 (for reference) ]o18oY(
!Restore 20 Degree Digital Camera Lens Setup ToWiXH)4
!FILE > OPEN 038|>l-9[
RES digcam20_start.len 6ge, 2[PU
!Vary all radii curvature by right clicking in LDM and selecting VARY +>b~nK>M
!HINT: for curvatures highlight all and select vary. Then go back and e5 /f%4YX
!freeze stop surface radius. nKI]f`P7
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 [&e|:1
!Vary all thicknesses by same method. Do not select surface with solve since _?"P<3/iF
!varying this surface will delete solve. If mistake, use UNDO or go to 1 !N+hf
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 3mI(5~4A]?
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 OIpkXM
THC S8 0 !Don't forget to vary the image distance which calculates best $l05VZ
!best real-ray focus from paraxial image plane TYv'#{
!Vary glass by highlighting, right clicking, and selecting Vary @]v}& j7
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Wt|IKCx
!Optimize OPTIMIZATION > AUTOMATIC DESIGN T I^W=5W@@
AUT v?Z30?_&h
EFL Z1 = 8.25 !Effective Focal Length Constraint cR'l\iv+
MNT 0.8 !Minimum Center Thickness General Constraint i2]7Bf)oV
MNE 0.5 !Minimum Edge Thickness General Constraint }HB>Zb5
DRA S1..I YES !Draw a picture of lens system at each cycle z'=8U@P'#
GO 6 V{Sf9V|
!Reanalyze the system. Make sure to "Tear Off" original analysis before Ass :
!re-executing to compare optimized system gEghDO_G
!Re-execute Drawing _ebo
VIE B bU%p
GO , sw|OYb
!Re-execute MTF #0HZ"n
MTF BC: d @
MFR 68 nHAET
IFR 17 L|B/ '
GO bTBV:]w
!Re-execute Field (Distortion) Analysis HQtR;[1
FIE b 6kD kE
GO tu5g> qb
!Save Lens FILE > SAVE LENS AS... b# ~K>
SAV digcam20_opt
