主要是看人家的操作步骤,想学命令的人请看，十分有用 zu@5,AH
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) X\a*q]"_
Display > View Lens (accept defaults, click OK, keep window open) FNyr0!t,
In LDM spreadsheet, select surfaces 1 to Image ;F:~HrxT}
Choose Edit > Default Variables, then click in any cell to unselect the range ue;o:>G
Right click in each cell and choose Vary for @\|W#,~
Thickness of surfaces 1, 4, 6 >P/Nb]C
Glass of surfaces 1, 4, 6 g;Lk 'Ky6
File > Save Lens 3Wl,T5}{
Using Quick Analysis tool bar, click… I|#1u7X%]
Quick Spot Diagram (note scale) 1sT%g}w@|
Quick Ray Aberration Plot (note scale) a9=pZ1QAG
Quick Field Plot (note scales and maximum distortion value) 8.'[>VzBL
Analysis > Diffraction > MTF ! 9U
Freq/Calc Tab: Maximum 68, Increment 17 RrPo89o
Graphics tab: Max plot freq 68 3i c6!T#t"
Click OK (keep window open, tear off starting MTF graph for later comparison) pRAdo="
Optimization > Automatic Design @@O=a
Output controls: Click Draw System button MzY~-74aF
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) "&,Gn# 'FG
Specific constraints: d
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Click Insert Specific Constraint %bp8VR sY
Default display is Optical Definitions, Effective Focal Length (correct choice) lOc!KZHUp
Enter 8.25 for Constraint Target LXm5f;
Click OK. [=
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File > Save Lens As (new name, digcam20_opt.len) hLZ<h7:
Re-run View Lens window to see new lens picture. @DYxDap{
Re-run each of the Quick Analysis windows and note scales. ,bQbj7
Re-run the MTF window, compare to tear-off of starting point &3nbmkM
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以下直接复制到命令行即可出最终结果 k [6xuyY]
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! Command inputs for Workshop 2-2 (for reference) . )zX<~,
!Restore 20 Degree Digital Camera Lens Setup c~1X/,biA
!FILE > OPEN @"\j]ZEnY
RES digcam20_start.len |Mm9QF;iA
!Vary all radii curvature by right clicking in LDM and selecting VARY n8!qz:z/
!HINT: for curvatures highlight all and select vary. Then go back and ):Vz v
!freeze stop surface radius. VGVZ`|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ; m;a"j5
!Vary all thicknesses by same method. Do not select surface with solve since Gg\805L@
!varying this surface will delete solve. If mistake, use UNDO or go to g@va@*|~d
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve x1$:u6YD22
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 \1AtB c&
THC S8 0 !Don't forget to vary the image distance which calculates best D?v)Xqw=
!best real-ray focus from paraxial image plane %4%$NdU"
!Vary glass by highlighting, right clicking, and selecting Vary }[ [
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 eu]t.Co[X
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ^+ hJ& 9W
AUT Ls<.&3X2
EFL Z1 = 8.25 !Effective Focal Length Constraint ZwV`} 2{
MNT 0.8 !Minimum Center Thickness General Constraint O%g%*9
MNE 0.5 !Minimum Edge Thickness General Constraint M%3 \]&
DRA S1..I YES !Draw a picture of lens system at each cycle d"1DE
GO VPKoBJ&
!Reanalyze the system. Make sure to "Tear Off" original analysis before ^st.bzg+[
!re-executing to compare optimized system L xM.z1
!Re-execute Drawing \uumNpB*n
VIE )]=1W
GO uA } w?;
!Re-execute MTF V>{G$(v$
MTF
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MFR 68 &?],uHB?d
IFR 17 w/L^w50pt
GO Lqt.S|
!Re-execute Field (Distortion) Analysis "w)Y0Qq*z
FIE Myl!tXawe8
GO D['z/r6F
!Save Lens FILE > SAVE LENS AS... W;Rx(o>
SAV digcam20_opt
