主要是看人家的操作步骤,想学命令的人请看，十分有用 ?m#X";^V
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) -?<wvUbR{
Display > View Lens (accept defaults, click OK, keep window open) `Q6@,-(3
In LDM spreadsheet, select surfaces 1 to Image x:=Kr@VP
Choose Edit > Default Variables, then click in any cell to unselect the range rFZB6A<(]
Right click in each cell and choose Vary for >
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Thickness of surfaces 1, 4, 6 ]hTYh^' e
Glass of surfaces 1, 4, 6 x,
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File > Save Lens rs2~spN;h
Using Quick Analysis tool bar, click… ga^O]yK
Quick Spot Diagram (note scale) [qlq& ?"
Quick Ray Aberration Plot (note scale) YML o~j4J
Quick Field Plot (note scales and maximum distortion value) 0w Xfu"E{
Analysis > Diffraction > MTF \tLJ( <8
Freq/Calc Tab: Maximum 68, Increment 17 By6C+)up
Graphics tab: Max plot freq 68 ?rXh
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Click OK (keep window open, tear off starting MTF graph for later comparison) wIuwq>
Optimization > Automatic Design y!GjC]/
Output controls: Click Draw System button z.oDH<1
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) s@
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Specific constraints: S(mJ;C
Click Insert Specific Constraint z^I"{eT8
Default display is Optical Definitions, Effective Focal Length (correct choice) hFuS>Hx
Enter 8.25 for Constraint Target ~}w(YQy=y
Click OK. uF9p:FvN 8
File > Save Lens As (new name, digcam20_opt.len) q rO] t\
Re-run View Lens window to see new lens picture. c3&F\3
Re-run each of the Quick Analysis windows and note scales. ja70w:j a
Re-run the MTF window, compare to tear-off of starting point <M=U @
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以下直接复制到命令行即可出最终结果 4JFi|oK0H
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! Command inputs for Workshop 2-2 (for reference) W&}YM b
!Restore 20 Degree Digital Camera Lens Setup i68'|4o
!FILE > OPEN 6G7B&"&
RES digcam20_start.len qfvd( w
!Vary all radii curvature by right clicking in LDM and selecting VARY a kgXI^K
!HINT: for curvatures highlight all and select vary. Then go back and r
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!freeze stop surface radius. 6 + ^ V
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 A 2 qu s$
!Vary all thicknesses by same method. Do not select surface with solve since *fW&- ic
!varying this surface will delete solve. If mistake, use UNDO or go to S2 0x
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve jJ?MT#v
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Fp+^`;j
THC S8 0 !Don't forget to vary the image distance which calculates best v<_}Br2I[
!best real-ray focus from paraxial image plane Wra*lQb/B
!Vary glass by highlighting, right clicking, and selecting Vary [yL %+I
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 #B"ki{Se*
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Y1+4ppZ
AUT fo&q/;l\
EFL Z1 = 8.25 !Effective Focal Length Constraint ^2|gQ'7<
MNT 0.8 !Minimum Center Thickness General Constraint a-x8LfcbF
MNE 0.5 !Minimum Edge Thickness General Constraint ~ygiKsD6b
DRA S1..I YES !Draw a picture of lens system at each cycle )Ac8'{Tq/
GO 9z\q_ 0&i
!Reanalyze the system. Make sure to "Tear Off" original analysis before ~ YO')
!re-executing to compare optimized system .}kUD]pW
!Re-execute Drawing }lML..((1
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GO >p O[ S[
!Re-execute MTF RPP xiYU^
MTF tz
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MFR 68 * :\-:*
IFR 17 wJ1qJ!s@
GO |;6FhDW+'
!Re-execute Field (Distortion) Analysis ~^$ONmI5
FIE R +P,kD?
GO LPb4 3
!Save Lens FILE > SAVE LENS AS... /8Bh
SAV digcam20_opt
