主要是看人家的操作步骤,想学命令的人请看，十分有用 \Ul*Nsw
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Cz?N[dh h
Display > View Lens (accept defaults, click OK, keep window open) rQ*'2Zf'<
In LDM spreadsheet, select surfaces 1 to Image s s,t[`AV{
Choose Edit > Default Variables, then click in any cell to unselect the range 0wZLkU_(
Right click in each cell and choose Vary for >H5BY9]I
Thickness of surfaces 1, 4, 6 cPI # XPM=
Glass of surfaces 1, 4, 6 .rG Rdb
File > Save Lens aiw~4ix
Using Quick Analysis tool bar, click… $|6Le;
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Quick Spot Diagram (note scale) [CRy>hfV
Quick Ray Aberration Plot (note scale) w>H!H6Q
Quick Field Plot (note scales and maximum distortion value) GMgsM6.R
Analysis > Diffraction > MTF XT~JP
Freq/Calc Tab: Maximum 68, Increment 17 ,$vc*}yI0
Graphics tab: Max plot freq 68 U`<EpO{j|
Click OK (keep window open, tear off starting MTF graph for later comparison) D}cq_|mmn[
Optimization > Automatic Design <s+=v!
Output controls: Click Draw System button ?8! 4!P%n
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ^ 67P(h
Specific constraints: 1oj7R7
Click Insert Specific Constraint _\sm$ `q
Default display is Optical Definitions, Effective Focal Length (correct choice) %'4dg k
Enter 8.25 for Constraint Target +#1WOQfAD
Click OK. Wz:MPdz3(
File > Save Lens As (new name, digcam20_opt.len) p5)A"p8"9,
Re-run View Lens window to see new lens picture. vCbqZdy?
Re-run each of the Quick Analysis windows and note scales. M29[\@zL
Re-run the MTF window, compare to tear-off of starting point _4zlEo-.gU
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以下直接复制到命令行即可出最终结果 <B$Lu4b@c
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! Command inputs for Workshop 2-2 (for reference) +*)B;)P
!Restore 20 Degree Digital Camera Lens Setup ;N ]ElwP
!FILE > OPEN fn#b3ee
RES digcam20_start.len A_S l#e
!Vary all radii curvature by right clicking in LDM and selecting VARY qdZn9 i
!HINT: for curvatures highlight all and select vary. Then go back and #5 G!lbH
!freeze stop surface radius. X"iy .@7
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 xE;fM\7pu
!Vary all thicknesses by same method. Do not select surface with solve since #1u4Hi(x5
!varying this surface will delete solve. If mistake, use UNDO or go to vh?({A#>.E
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve A{9Hm:)
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ?h
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THC S8 0 !Don't forget to vary the image distance which calculates best b*dRNu
!best real-ray focus from paraxial image plane WF *2^iWJ
!Vary glass by highlighting, right clicking, and selecting Vary 5>}L3r>a;
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Ha)w*1&w"
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ,a ^_
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AUT 7i 334iQZ
EFL Z1 = 8.25 !Effective Focal Length Constraint dHf_&X 2A
MNT 0.8 !Minimum Center Thickness General Constraint <&l3bL
MNE 0.5 !Minimum Edge Thickness General Constraint }Ax$}#
DRA S1..I YES !Draw a picture of lens system at each cycle SAThY$)6
GO JsfbY^wz
!Reanalyze the system. Make sure to "Tear Off" original analysis before 8C4 Ty ms
!re-executing to compare optimized system Z9=Cw0( w?
!Re-execute Drawing @] )a
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GO <MvFAuAT
!Re-execute MTF Qf>dfJ^q
MTF ! ~&X1,l1*
MFR 68 ]jY->NsA]
IFR 17 I|Z5*iXqCm
GO qx0J}6+NlU
!Re-execute Field (Distortion) Analysis v8 6ls[lzu
FIE ']Y:f) i#
GO {v;Y}o-p
!Save Lens FILE > SAVE LENS AS... 86IAAO`#
SAV digcam20_opt
