主要是看人家的操作步骤,想学命令的人请看，十分有用 u h`5:V
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) cbl>:ev1h
Display > View Lens (accept defaults, click OK, keep window open) k(o(:-+x
In LDM spreadsheet, select surfaces 1 to Image e=3C*+lq\
Choose Edit > Default Variables, then click in any cell to unselect the range z[6avW"q
Right click in each cell and choose Vary for "!CVm{7[
Thickness of surfaces 1, 4, 6 c-_1tSh}
Glass of surfaces 1, 4, 6 8 Vf #t!t
File > Save Lens gu:vf/
Using Quick Analysis tool bar, click… i x$
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Quick Spot Diagram (note scale) 2qojU%fiH
Quick Ray Aberration Plot (note scale) ,:2Z6~z{
Quick Field Plot (note scales and maximum distortion value) -xbs '[
Analysis > Diffraction > MTF A@9\Qd
Freq/Calc Tab: Maximum 68, Increment 17
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Graphics tab: Max plot freq 68 /:ZwGyT;
Click OK (keep window open, tear off starting MTF graph for later comparison) JY@bD:
Optimization > Automatic Design o")"^@Zh i
Output controls: Click Draw System button %a|Qw(4\
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) iJj !-a:z.
Specific constraints: l fF RqZ
Click Insert Specific Constraint P_'{|M<?
Default display is Optical Definitions, Effective Focal Length (correct choice) ?|WoNA~j}`
Enter 8.25 for Constraint Target 0U:X[2|)
Click OK. 'IFA>}e7W
File > Save Lens As (new name, digcam20_opt.len) (P;TM1k
Re-run View Lens window to see new lens picture. #d *0
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Re-run each of the Quick Analysis windows and note scales. k` &FyN^)
Re-run the MTF window, compare to tear-off of starting point TG U 7o:2
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以下直接复制到命令行即可出最终结果 v*0J6<
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! Command inputs for Workshop 2-2 (for reference) A FBH(ms't
!Restore 20 Degree Digital Camera Lens Setup b8Z_o N5!
!FILE > OPEN ^/$dSXKF
RES digcam20_start.len $${ 3I4
!Vary all radii curvature by right clicking in LDM and selecting VARY wVFa51a)yy
!HINT: for curvatures highlight all and select vary. Then go back and cJbv,RV<
!freeze stop surface radius. Thu_`QP^
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Z,/^lg c,
!Vary all thicknesses by same method. Do not select surface with solve since vH-|#x~
!varying this surface will delete solve. If mistake, use UNDO or go to (X-(
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve |vm-(HY!
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 }h1LH4
THC S8 0 !Don't forget to vary the image distance which calculates best _'1 7C /
!best real-ray focus from paraxial image plane (+;D~iN` k
!Vary glass by highlighting, right clicking, and selecting Vary oV;sd5'LG
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 y z!L:1DG
!Optimize OPTIMIZATION > AUTOMATIC DESIGN EpKZ.lCU
AUT $y,KDR7^
EFL Z1 = 8.25 !Effective Focal Length Constraint 65JG#^)KaX
MNT 0.8 !Minimum Center Thickness General Constraint j,;f#+O`g
MNE 0.5 !Minimum Edge Thickness General Constraint l)o!&]2
DRA S1..I YES !Draw a picture of lens system at each cycle U, 7
GO /4OQx0Xmm
!Reanalyze the system. Make sure to "Tear Off" original analysis before FyWf`XTO
!re-executing to compare optimized system _
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!Re-execute Drawing g!'
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GO R-dv$ z0
!Re-execute MTF U Lu@"
MTF SP<Sv8Okj
MFR 68 rPBsr<k#5
IFR 17 5%(whSKZF
GO v ;5-1
!Re-execute Field (Distortion) Analysis p7Zeudmj
FIE EtPB_!
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GO p>\[[Md
!Save Lens FILE > SAVE LENS AS... <*z'sUh+}
SAV digcam20_opt
