主要是看人家的操作步骤,想学命令的人请看，十分有用 S;MS,R
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) %#yCp2
Display > View Lens (accept defaults, click OK, keep window open) 2YdMsu~
In LDM spreadsheet, select surfaces 1 to Image
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Choose Edit > Default Variables, then click in any cell to unselect the range kf~ D m}bV
Right click in each cell and choose Vary for j#9p 0[
Thickness of surfaces 1, 4, 6
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Glass of surfaces 1, 4, 6 ;Q:^|Fw!F
File > Save Lens `<8~tS/. w
Using Quick Analysis tool bar, click… p Z uYmMP
Quick Spot Diagram (note scale) a RC >pK.
Quick Ray Aberration Plot (note scale) oXK`=. \
Quick Field Plot (note scales and maximum distortion value) Gyk>5Q}}
Analysis > Diffraction > MTF KaZ*HPe(
Freq/Calc Tab: Maximum 68, Increment 17 (`k0tC2
Graphics tab: Max plot freq 68 #&\^{Z
Click OK (keep window open, tear off starting MTF graph for later comparison) T""X~+{Z@
Optimization > Automatic Design 5qGRz"\p~
Output controls: Click Draw System button ^g$k4
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 8tK 8|t5+
Specific constraints: PBTGN;y
Click Insert Specific Constraint WhMr'l/e
Default display is Optical Definitions, Effective Focal Length (correct choice) 'bN\bbR
Enter 8.25 for Constraint Target Xl.h&x0?
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Click OK. hT>h
File > Save Lens As (new name, digcam20_opt.len) &^8 >Kd8
Re-run View Lens window to see new lens picture. O{,Uge2n,
Re-run each of the Quick Analysis windows and note scales. uB>NwCL;
Re-run the MTF window, compare to tear-off of starting point Ny /bNQS
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以下直接复制到命令行即可出最终结果 xV:.)Dq9
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! Command inputs for Workshop 2-2 (for reference) jX$Ti G
!Restore 20 Degree Digital Camera Lens Setup `Yn^ -W
!FILE > OPEN )Mx[;IwE
RES digcam20_start.len MGCwT@P
!Vary all radii curvature by right clicking in LDM and selecting VARY Kw lN
!HINT: for curvatures highlight all and select vary. Then go back and DQDt*Uj,
!freeze stop surface radius. 3/H^YM
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0
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!Vary all thicknesses by same method. Do not select surface with solve since
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!varying this surface will delete solve. If mistake, use UNDO or go to ?g&6l0 n`
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve IvTtQ q
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 %qcBM~efT
THC S8 0 !Don't forget to vary the image distance which calculates best =#[_8 )q
!best real-ray focus from paraxial image plane GrGgR7eC#P
!Vary glass by highlighting, right clicking, and selecting Vary + [V[{n
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 H U-4k/I~
!Optimize OPTIMIZATION > AUTOMATIC DESIGN N{IY \/;\
AUT $NJ]2P9L
EFL Z1 = 8.25 !Effective Focal Length Constraint =iC5um:
MNT 0.8 !Minimum Center Thickness General Constraint J6;^: ()
MNE 0.5 !Minimum Edge Thickness General Constraint c@1C|
DRA S1..I YES !Draw a picture of lens system at each cycle s1<_=sfnT
GO 6 A7U W7/
!Reanalyze the system. Make sure to "Tear Off" original analysis before #IDDKUE
!re-executing to compare optimized system [Qa0uM#SU
!Re-execute Drawing /7De .O~H
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GO #\"8sY,j
!Re-execute MTF 5m&{ f>]T
MTF U5j Y/e_
MFR 68 lY[>}L*H8
IFR 17 ;LELC5[*s
GO vQ^a7
!Re-execute Field (Distortion) Analysis <1.].A@b*
FIE s/0-DHd
GO '
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!Save Lens FILE > SAVE LENS AS... @Ytsb!!
SAV digcam20_opt
