主要是看人家的操作步骤,想学命令的人请看，十分有用 jHs<s` #h
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) jf$JaY
Display > View Lens (accept defaults, click OK, keep window open) C_;HaQiu
In LDM spreadsheet, select surfaces 1 to Image S1D 9AcK
Choose Edit > Default Variables, then click in any cell to unselect the range di-O *ug
Right click in each cell and choose Vary for b}ySZlm y
Thickness of surfaces 1, 4, 6 w^ixMn~nLF
Glass of surfaces 1, 4, 6 A rNur~
File > Save Lens l@,); w=_P
Using Quick Analysis tool bar, click… Z-N-9E
Quick Spot Diagram (note scale) V pug"aR&_
Quick Ray Aberration Plot (note scale) y f
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Quick Field Plot (note scales and maximum distortion value) N,WI{*
Analysis > Diffraction > MTF =?meO0 ]y
Freq/Calc Tab: Maximum 68, Increment 17 xB?S#5G}
Graphics tab: Max plot freq 68 YH /S2 D
Click OK (keep window open, tear off starting MTF graph for later comparison) A zHIp^
Optimization > Automatic Design YWt"|
Output controls: Click Draw System button hKk\Y{wv'
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Fy}MXe"f
Specific constraints: [<#<:h &\
Click Insert Specific Constraint B6tcKh9d,
Default display is Optical Definitions, Effective Focal Length (correct choice) L eG7x 7n
Enter 8.25 for Constraint Target '_q: vjX
Click OK. ?;0 nJf
File > Save Lens As (new name, digcam20_opt.len) t x:rj6 -z
Re-run View Lens window to see new lens picture. R z<d%C;R
Re-run each of the Quick Analysis windows and note scales. N&0uXrw
Re-run the MTF window, compare to tear-off of starting point jOoIF/S o
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以下直接复制到命令行即可出最终结果 tz\+'6NpOb
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! Command inputs for Workshop 2-2 (for reference) d8Q_6(Ar|
!Restore 20 Degree Digital Camera Lens Setup $\YLmG
!FILE > OPEN ;4-p upK~%
RES digcam20_start.len H j5WJ{p.
!Vary all radii curvature by right clicking in LDM and selecting VARY ]wkSAi5z*
!HINT: for curvatures highlight all and select vary. Then go back and 9B!im\]O
!freeze stop surface radius. >wg9YZ~8
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ^D W#
!Vary all thicknesses by same method. Do not select surface with solve since <|KK v5[
!varying this surface will delete solve. If mistake, use UNDO or go to '(3Nopl
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Q|j@# @O 1
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 G 1#Bb5q:
THC S8 0 !Don't forget to vary the image distance which calculates best .o i}S G
!best real-ray focus from paraxial image plane Uy$U8b-ov
!Vary glass by highlighting, right clicking, and selecting Vary Dyouk+08x
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 , 6EZb[;g^
!Optimize OPTIMIZATION > AUTOMATIC DESIGN E< zT
AUT @yU!sE:
EFL Z1 = 8.25 !Effective Focal Length Constraint
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MNT 0.8 !Minimum Center Thickness General Constraint `_ J^g&y~
MNE 0.5 !Minimum Edge Thickness General Constraint y~]I Vl"
DRA S1..I YES !Draw a picture of lens system at each cycle Y^c, mK^
GO G*vpf~q?
!Reanalyze the system. Make sure to "Tear Off" original analysis before c-s `>m
!re-executing to compare optimized system Kc JP^
!Re-execute Drawing :Fi%Cef|
VIE ecY ^C3+S
GO 'K;4102\
!Re-execute MTF w+).pcG( *
MTF =BqaGXr
MFR 68 Q
!RVD*(
IFR 17 Ww'TCWk@
GO Uf7F8JZmM
!Re-execute Field (Distortion) Analysis 0TuO Y%+
FIE lry& )G=5
GO rx }ujjx
!Save Lens FILE > SAVE LENS AS... ga{25q}"
SAV digcam20_opt
