主要是看人家的操作步骤,想学命令的人请看，十分有用 .^~ l_ LkA
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) guOSO@
Display > View Lens (accept defaults, click OK, keep window open) AR~$MCR]"k
In LDM spreadsheet, select surfaces 1 to Image H >:4MY
Choose Edit > Default Variables, then click in any cell to unselect the range P B (
Right click in each cell and choose Vary for \} Acq;
Thickness of surfaces 1, 4, 6 a,'Ncg
Glass of surfaces 1, 4, 6 qwF*(pTHq
File > Save Lens l^ 0_> R
Using Quick Analysis tool bar, click… yw.~trF&%
Quick Spot Diagram (note scale) 3 g0u#t{
Quick Ray Aberration Plot (note scale) Y62u%':X
Quick Field Plot (note scales and maximum distortion value) }B=qH7u.K
Analysis > Diffraction > MTF [ .j]V-61
Freq/Calc Tab: Maximum 68, Increment 17 8pk#s J51
Graphics tab: Max plot freq 68 l H)em.#
Click OK (keep window open, tear off starting MTF graph for later comparison) 7"F|6JP"$c
Optimization > Automatic Design Q^lQi\[
Output controls: Click Draw System button x*h `VS(?6
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) _}zo
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Specific constraints: s[3![
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Click Insert Specific Constraint hD6J W-
Default display is Optical Definitions, Effective Focal Length (correct choice) c.(Ud`jc
Enter 8.25 for Constraint Target >v1 y 0zx
Click OK. #7] o6
File > Save Lens As (new name, digcam20_opt.len) Jh$"f r3
Re-run View Lens window to see new lens picture. j,= *WG
Re-run each of the Quick Analysis windows and note scales. X
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Re-run the MTF window, compare to tear-off of starting point E7gHi$
---------------------------------------------------------------------------------------------- &nqdl+ |G*
以下直接复制到命令行即可出最终结果 mQJ4;BJw
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! Command inputs for Workshop 2-2 (for reference) 0R@ g(
!Restore 20 Degree Digital Camera Lens Setup I z}2
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!FILE > OPEN H DF"]l;
RES digcam20_start.len \P l,'
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!Vary all radii curvature by right clicking in LDM and selecting VARY Kc%n(,+%"
!HINT: for curvatures highlight all and select vary. Then go back and /M^V 2=
!freeze stop surface radius. D3S+ LV
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 z;dcAdz9
!Vary all thicknesses by same method. Do not select surface with solve since fJLf7+q
!varying this surface will delete solve. If mistake, use UNDO or go to
! Ea&]G
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Vk-W8 [W 7
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 <i}q=%W!1
THC S8 0 !Don't forget to vary the image distance which calculates best "xvtq i,R
!best real-ray focus from paraxial image plane ;TL(w7vK
!Vary glass by highlighting, right clicking, and selecting Vary $ViojW>
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 T ?X^0UdJj
!Optimize OPTIMIZATION > AUTOMATIC DESIGN _0,"vFdj
AUT .pZ o(*
EFL Z1 = 8.25 !Effective Focal Length Constraint ~`t%M?l
MNT 0.8 !Minimum Center Thickness General Constraint !8xKf*y
MNE 0.5 !Minimum Edge Thickness General Constraint yS[z2:!
DRA S1..I YES !Draw a picture of lens system at each cycle rH9uGm-*
GO J` w]}GlH
!Reanalyze the system. Make sure to "Tear Off" original analysis before )A="eW_>
!re-executing to compare optimized system uR#'lb`3
!Re-execute Drawing /M3 y)K`^
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GO gyi) T?uS)
!Re-execute MTF >0P UWr$8
MTF /Q?~Q0{)es
MFR 68 S:ls[9G[3
IFR 17 S8O)/Sg=
GO 96c"I;\GXX
!Re-execute Field (Distortion) Analysis U;\S(s}
FIE m!<X8d[bD
GO *( k%MTG
!Save Lens FILE > SAVE LENS AS... ~|&="K4,:
SAV digcam20_opt
