主要是看人家的操作步骤,想学命令的人请看，十分有用 =8.
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) aB&&YlR=n<
Display > View Lens (accept defaults, click OK, keep window open) K+3=tk]W9u
In LDM spreadsheet, select surfaces 1 to Image jV1.Yz (`
Choose Edit > Default Variables, then click in any cell to unselect the range b]#AI
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Right click in each cell and choose Vary for \ ~$#1D1f
Thickness of surfaces 1, 4, 6
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Glass of surfaces 1, 4, 6 ea
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File > Save Lens VlsnL8DV
Using Quick Analysis tool bar, click… { 4Cmu;u
Quick Spot Diagram (note scale) Wd: uV
Quick Ray Aberration Plot (note scale) Ve; n}mJ?
Quick Field Plot (note scales and maximum distortion value) u&7[n_
Analysis > Diffraction > MTF q>+k@>bk @
Freq/Calc Tab: Maximum 68, Increment 17 }S-O& Z
Graphics tab: Max plot freq 68 sDlO#
Click OK (keep window open, tear off starting MTF graph for later comparison) YU'E@t5
Optimization > Automatic Design 8(~ h"]`!
Output controls: Click Draw System button hRhe& , v
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) @I?=<Riu
Specific constraints: iqWQ!r^
Click Insert Specific Constraint ]N?kG`[
Default display is Optical Definitions, Effective Focal Length (correct choice) ?Z/V~,
Enter 8.25 for Constraint Target hz@bW2S.
Click OK. !Wnb|=j
File > Save Lens As (new name, digcam20_opt.len) vA8nvoi
Re-run View Lens window to see new lens picture. OQJ6e:BGt
Re-run each of the Quick Analysis windows and note scales. j A%u 5V
Re-run the MTF window, compare to tear-off of starting point 2c*GuF9(0
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以下直接复制到命令行即可出最终结果 lt8|9"9<
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! Command inputs for Workshop 2-2 (for reference) k5pN
!Restore 20 Degree Digital Camera Lens Setup YIYmiv5
!FILE > OPEN UP,c |
RES digcam20_start.len DB}eA N/
!Vary all radii curvature by right clicking in LDM and selecting VARY u'BaKWPS
!HINT: for curvatures highlight all and select vary. Then go back and vXje^>_6
!freeze stop surface radius. U>N1Od4vTO
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 xwo<' xT
!Vary all thicknesses by same method. Do not select surface with solve since 0 @oJFJrO
!varying this surface will delete solve. If mistake, use UNDO or go to y}|s&4Sq
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve f NFY$:4X
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 +CNv l
THC S8 0 !Don't forget to vary the image distance which calculates best oCz/HQoBk
!best real-ray focus from paraxial image plane Sd ry ol<
!Vary glass by highlighting, right clicking, and selecting Vary 4.t-i5
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 9\7en%( M
!Optimize OPTIMIZATION > AUTOMATIC DESIGN 3.y vvPFEM
AUT N~'c _l
EFL Z1 = 8.25 !Effective Focal Length Constraint N(yz k_~
MNT 0.8 !Minimum Center Thickness General Constraint _oeS Uzq.
MNE 0.5 !Minimum Edge Thickness General Constraint sXFZWj }\
DRA S1..I YES !Draw a picture of lens system at each cycle fz
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GO Nj/
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!Reanalyze the system. Make sure to "Tear Off" original analysis before WH^%:4
!re-executing to compare optimized system 8Zd]wY O
!Re-execute Drawing +
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VIE ,z=LY5_z)
GO _H@DLhH|=
!Re-execute MTF 6D3B^.r j]
MTF )9]P M A?u
MFR 68 {+>-7
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IFR 17 )8ZH-|N`!E
GO f3y=Wxk[
!Re-execute Field (Distortion) Analysis N"ST@/j.A
FIE TB31-
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GO y?3; 06y|
!Save Lens FILE > SAVE LENS AS... N8df8=.kw
SAV digcam20_opt
