主要是看人家的操作步骤,想学命令的人请看，十分有用 =1 Oj*x@*4
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) }l],.J\BGX
Display > View Lens (accept defaults, click OK, keep window open) R}4So1
In LDM spreadsheet, select surfaces 1 to Image 32/MkuY^u
Choose Edit > Default Variables, then click in any cell to unselect the range 2E)wpgUc?e
Right click in each cell and choose Vary for JAQb{KefdO
Thickness of surfaces 1, 4, 6 S/ODq L|
Glass of surfaces 1, 4, 6 %Ntcvp)
File > Save Lens O"c;|zCc>
Using Quick Analysis tool bar, click… O]1y0BOQ
Quick Spot Diagram (note scale) C0}I E,]
Quick Ray Aberration Plot (note scale) v,4pp@8rv
Quick Field Plot (note scales and maximum distortion value) %|oJ>+
Analysis > Diffraction > MTF EioB%f3
Freq/Calc Tab: Maximum 68, Increment 17 PEuIWXr
Graphics tab: Max plot freq 68 n 3D;"a3
Click OK (keep window open, tear off starting MTF graph for later comparison) hR
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Optimization > Automatic Design j+["J Xy
Output controls: Click Draw System button 8$; =Uf,x
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ;[ u %_
Specific constraints: O2f-5Y$@
Click Insert Specific Constraint pXtX j b
Default display is Optical Definitions, Effective Focal Length (correct choice) L& %s[
Enter 8.25 for Constraint Target +E.GLn2 /
Click OK. qp E&go=k'
File > Save Lens As (new name, digcam20_opt.len) V&\[)D'c
Re-run View Lens window to see new lens picture. ;bL EL"x%
Re-run each of the Quick Analysis windows and note scales. !`M|C?b
Re-run the MTF window, compare to tear-off of starting point
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---------------------------------------------------------------------------------------------- HLZ;8/|48m
以下直接复制到命令行即可出最终结果 aW`Lec{.
---------------------------------------------------------------------------------------------- Ooq! 0g
! Command inputs for Workshop 2-2 (for reference)
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!Restore 20 Degree Digital Camera Lens Setup #~l(]h@
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!FILE > OPEN "huFA|`
RES digcam20_start.len oze &
!Vary all radii curvature by right clicking in LDM and selecting VARY T3pmVl
!HINT: for curvatures highlight all and select vary. Then go back and B9H@e#[
!freeze stop surface radius. b j"J'
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 | >JS!NM
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!Vary all thicknesses by same method. Do not select surface with solve since a 8 mVFm
!varying this surface will delete solve. If mistake, use UNDO or go to R5 9S@MsuD
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve kZ erKP
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 %^>ju;i^O
THC S8 0 !Don't forget to vary the image distance which calculates best J_v$YwE
!best real-ray focus from paraxial image plane /S (zff[at
!Vary glass by highlighting, right clicking, and selecting Vary NF0%}II&xK
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 9uBM<
!Optimize OPTIMIZATION > AUTOMATIC DESIGN x"{'&J[hx
AUT 5_z33, q2
EFL Z1 = 8.25 !Effective Focal Length Constraint CS=qj-(
MNT 0.8 !Minimum Center Thickness General Constraint _Gjk;|Sx<I
MNE 0.5 !Minimum Edge Thickness General Constraint fI~Xmw+}}
DRA S1..I YES !Draw a picture of lens system at each cycle CCWg{*og
GO *?Kr*]dnLl
!Reanalyze the system. Make sure to "Tear Off" original analysis before ^n"OL*ipG
!re-executing to compare optimized system v!ujj5-$I
!Re-execute Drawing YA
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VIE j"|=C$Kn/
GO , eZ1uBI?
!Re-execute MTF nCj2N,mT
MTF .NvQm]N0.
MFR 68 PUBWZ^63
IFR 17 3MY(<TGX
GO NCk r /#!
!Re-execute Field (Distortion) Analysis d~:!#uWyFk
FIE eL\;Nf+Zp
GO 3+G@g#MY
!Save Lens FILE > SAVE LENS AS... h0g:@ae%&
SAV digcam20_opt
