主要是看人家的操作步骤,想学命令的人请看，十分有用 !FEc:qH
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 9^gYy&+>6]
Display > View Lens (accept defaults, click OK, keep window open) 3uL
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In LDM spreadsheet, select surfaces 1 to Image 0YH5B 5b
Choose Edit > Default Variables, then click in any cell to unselect the range -t`kb*O3`
Right click in each cell and choose Vary for <_E KCk
Thickness of surfaces 1, 4, 6 u?osX; 'w
Glass of surfaces 1, 4, 6 g}an
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File > Save Lens m4 :c$5
Using Quick Analysis tool bar, click… GABZsdFZ!
Quick Spot Diagram (note scale) TO wd+]B
Quick Ray Aberration Plot (note scale) cc@W
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Quick Field Plot (note scales and maximum distortion value) -<W?it?D
Analysis > Diffraction > MTF TCr4-"`r-{
Freq/Calc Tab: Maximum 68, Increment 17 T(J'p4
Graphics tab: Max plot freq 68 Ln"wj O ,
Click OK (keep window open, tear off starting MTF graph for later comparison) EX8JlA\-W
Optimization > Automatic Design AIF ?>wgq
Output controls: Click Draw System button m%'nk"p9
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) hFtV\xF K
Specific constraints: inh0 p^
Click Insert Specific Constraint _&gi4)q
Default display is Optical Definitions, Effective Focal Length (correct choice) u4x-GObJM
Enter 8.25 for Constraint Target 'jev 1u[
Click OK. eYOY
File > Save Lens As (new name, digcam20_opt.len) bJ d| mm/v
Re-run View Lens window to see new lens picture.
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Re-run each of the Quick Analysis windows and note scales. A*JOp8\)
Re-run the MTF window, compare to tear-off of starting point a:FU- ^B4~
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以下直接复制到命令行即可出最终结果 K-qWT7<
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! Command inputs for Workshop 2-2 (for reference) A8{jEJ=)P
!Restore 20 Degree Digital Camera Lens Setup +^.Yt0}
!FILE > OPEN ^q7V%{54
RES digcam20_start.len +! 1_M t6
!Vary all radii curvature by right clicking in LDM and selecting VARY crmQn ^4\
!HINT: for curvatures highlight all and select vary. Then go back and -amo8V;2H
!freeze stop surface radius. ~7m` p3W@
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 )aS:h}zn
!Vary all thicknesses by same method. Do not select surface with solve since jqUVERbc
!varying this surface will delete solve. If mistake, use UNDO or go to ?]Yic]$n
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Y}~sTuWU
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 _4 {0He`q
THC S8 0 !Don't forget to vary the image distance which calculates best $BqiC!~
!best real-ray focus from paraxial image plane 7)? C +=,0
!Vary glass by highlighting, right clicking, and selecting Vary ~ 9 >H(c
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 K #3^GB3P
!Optimize OPTIMIZATION > AUTOMATIC DESIGN LdUz; sb
AUT }%g[1
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EFL Z1 = 8.25 !Effective Focal Length Constraint ysaRH3M
MNT 0.8 !Minimum Center Thickness General Constraint g2OnLEF]s
MNE 0.5 !Minimum Edge Thickness General Constraint G u;40)gm
DRA S1..I YES !Draw a picture of lens system at each cycle u[a-9^&g
GO E-A9lJWr
!Reanalyze the system. Make sure to "Tear Off" original analysis before D
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!re-executing to compare optimized system V@'Xj .ze
!Re-execute Drawing >a;a8EA<O
VIE YPK@BmAdE
GO 5'! fi] Z
!Re-execute MTF z)Rkd0/X
MTF Q2CGC +
MFR 68 &4Z8 df!
IFR 17 CD1Ma8I8
GO r=j?0k '}]
!Re-execute Field (Distortion) Analysis ;qmnG3;Q
FIE SSe;&Jk2d
GO ^ AZ#tp%)
!Save Lens FILE > SAVE LENS AS... [R]V4Hb
SAV digcam20_opt
