主要是看人家的操作步骤,想学命令的人请看，十分有用 zOOX>3^
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Y eLOd
Display > View Lens (accept defaults, click OK, keep window open) J4g;~#_19
In LDM spreadsheet, select surfaces 1 to Image jQ)>XOok
Choose Edit > Default Variables, then click in any cell to unselect the range bZXNo
Right click in each cell and choose Vary for dE]"^O#Mc
Thickness of surfaces 1, 4, 6 "/?qT ;<$)
Glass of surfaces 1, 4, 6 .[fz x`
File > Save Lens QO.gt*"
Using Quick Analysis tool bar, click… ODEXQl}R
Quick Spot Diagram (note scale) <yPH dbF
Quick Ray Aberration Plot (note scale) 03 o3[g?
Quick Field Plot (note scales and maximum distortion value) y^\#bpq&\
Analysis > Diffraction > MTF Ol9 fwd
Freq/Calc Tab: Maximum 68, Increment 17 `yZZP
Graphics tab: Max plot freq 68 E3skC %}
Click OK (keep window open, tear off starting MTF graph for later comparison) syf"{bBe
Optimization > Automatic Design 8 8$ Y-g5*
Output controls: Click Draw System button {UBQ?7.jE
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) I)6Sbt JV^
Specific constraints: Wt fOE@h
Click Insert Specific Constraint Ne7{{ 1
Default display is Optical Definitions, Effective Focal Length (correct choice) }GDG$QI]K&
Enter 8.25 for Constraint Target F ^z8+W
Click OK. NCFV
File > Save Lens As (new name, digcam20_opt.len) ;
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Re-run View Lens window to see new lens picture. S "Pj 1
Re-run each of the Quick Analysis windows and note scales. {7>CA' >
Re-run the MTF window, compare to tear-off of starting point O) u M&B=
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以下直接复制到命令行即可出最终结果 c/Yi0Rl)
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! Command inputs for Workshop 2-2 (for reference) B kxhF
!Restore 20 Degree Digital Camera Lens Setup &AcFa<U
!FILE > OPEN |u r~s$8y-
RES digcam20_start.len s; 7qNwYO
!Vary all radii curvature by right clicking in LDM and selecting VARY F ^ t?*
!HINT: for curvatures highlight all and select vary. Then go back and @:9fS
!freeze stop surface radius. rDX'oP:
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 (mIJI,[xn
!Vary all thicknesses by same method. Do not select surface with solve since .Pes{uHg
!varying this surface will delete solve. If mistake, use UNDO or go to qd ~98FS
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve aiZo{j<6
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 E ' JC
THC S8 0 !Don't forget to vary the image distance which calculates best `F\:XuY
!best real-ray focus from paraxial image plane |p -R9A*>h
!Vary glass by highlighting, right clicking, and selecting Vary 7EP|X.
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 zWs*kTtA
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Rgfhs[ Z
AUT L1kM~M
EFL Z1 = 8.25 !Effective Focal Length Constraint QlYs7zZ
MNT 0.8 !Minimum Center Thickness General Constraint p_qm}zp
MNE 0.5 !Minimum Edge Thickness General Constraint K6{ bYho
DRA S1..I YES !Draw a picture of lens system at each cycle S ?7V
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GO prEu9$:t
!Reanalyze the system. Make sure to "Tear Off" original analysis before p?$G>nkdq
!re-executing to compare optimized system PT#eX S9_
!Re-execute Drawing &s^>S? L-
VIE 04PoBv~g
GO Lp`<L -s
!Re-execute MTF Cz@FZb8
MTF /;NE]{K
MFR 68 f\);HJbg
IFR 17 #} ~p^ 0
GO (vAv^A*i}
!Re-execute Field (Distortion) Analysis L;M^>{>
FIE [TK? P0
GO bV$8
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!Save Lens FILE > SAVE LENS AS... Rw}2* 5#y
SAV digcam20_opt
