主要是看人家的操作步骤,想学命令的人请看,十分有用 >e/>@ J*
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Rq+7&%dy
Display > View Lens (accept defaults, click OK, keep window open) v=G*K11@
In LDM spreadsheet, select surfaces 1 to Image {'+{ASpO!
Choose Edit > Default Variables, then click in any cell to unselect the range LqD7SJ}/f
Right click in each cell and choose Vary for /d|:
Thickness of surfaces 1, 4, 6 q%d'pF
Glass of surfaces 1, 4, 6
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File > Save Lens RICm$,
Using Quick Analysis tool bar, click… \e4AxLP
Quick Spot Diagram (note scale) t|oIzjKE/
Quick Ray Aberration Plot (note scale) ?`xF>P]M
Quick Field Plot (note scales and maximum distortion value) REU&8J@k&?
Analysis > Diffraction > MTF ;\A_-a_(#
Freq/Calc Tab: Maximum 68, Increment 17 OHAU@*[lM
Graphics tab: Max plot freq 68 C;:=r:bth
Click OK (keep window open, tear off starting MTF graph for later comparison) e?;c9]XO,o
Optimization > Automatic Design zMp vS rc
Output controls: Click Draw System button )=gU~UV
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) y7h^_D+Ce
Specific constraints: (|AZO!
Click Insert Specific Constraint |(W04Wp"@
Default display is Optical Definitions, Effective Focal Length (correct choice) {_(R?V]w,
Enter 8.25 for Constraint Target -!7Z
Click OK. P-T@'}lW
File > Save Lens As (new name, digcam20_opt.len) ,OwTi:yDr
Re-run View Lens window to see new lens picture. MXl_{8
Re-run each of the Quick Analysis windows and note scales. ML|?H1m>
Re-run the MTF window, compare to tear-off of starting point