主要是看人家的操作步骤,想学命令的人请看，十分有用 U.,S.WP+d
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) g_cED15
Display > View Lens (accept defaults, click OK, keep window open) `{:Nt#7
In LDM spreadsheet, select surfaces 1 to Image KxK,en4)+
Choose Edit > Default Variables, then click in any cell to unselect the range e:Y+ -C5
Right click in each cell and choose Vary for (*$ F7oO<
Thickness of surfaces 1, 4, 6 YA$YT8iMe
Glass of surfaces 1, 4, 6 w"?Q0bhV9y
File > Save Lens Cg] |x+
Using Quick Analysis tool bar, click… I9 zs
Quick Spot Diagram (note scale) '(@q "`n
Quick Ray Aberration Plot (note scale) K1hkOj;S
Quick Field Plot (note scales and maximum distortion value) ,e43m=KhK
Analysis > Diffraction > MTF q~
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Freq/Calc Tab: Maximum 68, Increment 17 nRc\!4
Graphics tab: Max plot freq 68 Mc.{I"c@
Click OK (keep window open, tear off starting MTF graph for later comparison) I :<,9.
Optimization > Automatic Design lo> 9 \ Po
Output controls: Click Draw System button N _ NN0
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) I}bu
Specific constraints: neM.M)0
Click Insert Specific Constraint u !|_bI3
Default display is Optical Definitions, Effective Focal Length (correct choice) %]}JWXo f
Enter 8.25 for Constraint Target Ztmh z_u7
Click OK. `hO%(9V9
File > Save Lens As (new name, digcam20_opt.len) T" {~mQ*
Re-run View Lens window to see new lens picture. Ck
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Re-run each of the Quick Analysis windows and note scales. aC[G_ACwc
Re-run the MTF window, compare to tear-off of starting point 3XlQ 4
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以下直接复制到命令行即可出最终结果 )&_bY~ P
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! Command inputs for Workshop 2-2 (for reference) UDr 1t n
!Restore 20 Degree Digital Camera Lens Setup 9JP:wE~y
!FILE > OPEN 0a89<yX
RES digcam20_start.len `f}s<At
!Vary all radii curvature by right clicking in LDM and selecting VARY bK%F_v3'
!HINT: for curvatures highlight all and select vary. Then go back and m8 F$h-
!freeze stop surface radius. MS;^: t1`
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 n{!{,s
!Vary all thicknesses by same method. Do not select surface with solve since HSNj
!varying this surface will delete solve. If mistake, use UNDO or go to =h4u N ,
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ;)FvTm'"\.
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ^WB[uFt-
THC S8 0 !Don't forget to vary the image distance which calculates best f4 S:L&
!best real-ray focus from paraxial image plane K>+ v" x
!Vary glass by highlighting, right clicking, and selecting Vary w3,KqF
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 P_3IFHe
!Optimize OPTIMIZATION > AUTOMATIC DESIGN $/"Ymm#"\Y
AUT n~6$CQ5dF(
EFL Z1 = 8.25 !Effective Focal Length Constraint DGGySO6=$e
MNT 0.8 !Minimum Center Thickness General Constraint 2x<BU 3
MNE 0.5 !Minimum Edge Thickness General Constraint XA#qBxp/h
DRA S1..I YES !Draw a picture of lens system at each cycle Wd7*7']
GO L;opQ~g
!Reanalyze the system. Make sure to "Tear Off" original analysis before LmJjO:W}^y
!re-executing to compare optimized system 4ct-K)Ris
!Re-execute Drawing .\oW@2,RA9
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GO u W,J5!
!Re-execute MTF ?<t ?G
MTF 5/P. 4<c7
MFR 68 _'cB<9P
IFR 17 } 9zi5 o8
GO 'Grej8
!Re-execute Field (Distortion) Analysis RjV U m+<
FIE ^Ak?2,xB#+
GO 12 #yHsk
!Save Lens FILE > SAVE LENS AS... k:?)0Uh%^
SAV digcam20_opt
