主要是看人家的操作步骤,想学命令的人请看，十分有用 Q32GI,M%B
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) GC)xQZU)s
Display > View Lens (accept defaults, click OK, keep window open) J\Z\ q
In LDM spreadsheet, select surfaces 1 to Image tRXR/;3O
Choose Edit > Default Variables, then click in any cell to unselect the range gx=2]~O1(
Right click in each cell and choose Vary for 5[A4K%EL
Thickness of surfaces 1, 4, 6 Ql9
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Glass of surfaces 1, 4, 6 K~14;
File > Save Lens ,,~|o3cfq
Using Quick Analysis tool bar, click… +.|8W !h`1
Quick Spot Diagram (note scale) e[%g'}D:-
Quick Ray Aberration Plot (note scale) LLJsBHi -
Quick Field Plot (note scales and maximum distortion value) dUP8[y
Analysis > Diffraction > MTF }>?"bcJ
Freq/Calc Tab: Maximum 68, Increment 17 .!Os'Y9[ ,
Graphics tab: Max plot freq 68 d~w}{LR[1
Click OK (keep window open, tear off starting MTF graph for later comparison) a WMEo`O%
Optimization > Automatic Design j6&7tK,
Output controls: Click Draw System button QO3QR/Ww
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) jHpFl4VPz
Specific constraints: $qk(yzY
Click Insert Specific Constraint 8p.O rd p
Default display is Optical Definitions, Effective Focal Length (correct choice) J}s)#va9R
Enter 8.25 for Constraint Target ?Q/9aqHe;
Click OK. QE~#eo
File > Save Lens As (new name, digcam20_opt.len) h7[PU^ m
Re-run View Lens window to see new lens picture. Ks.kn7 <l
Re-run each of the Quick Analysis windows and note scales. =xPBolxm5U
Re-run the MTF window, compare to tear-off of starting point
