主要是看人家的操作步骤,想学命令的人请看，十分有用 Cz6bD$5
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) iy|;xBI,
Display > View Lens (accept defaults, click OK, keep window open) .|0$?w
In LDM spreadsheet, select surfaces 1 to Image 1BSn#D nj
Choose Edit > Default Variables, then click in any cell to unselect the range z9w]{Zd_,d
Right click in each cell and choose Vary for cZ3A~dTOR
Thickness of surfaces 1, 4, 6 `+i/rc1.
Glass of surfaces 1, 4, 6 wL xuSs|
File > Save Lens Ld
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Using Quick Analysis tool bar, click… 2M)E1q|a
Quick Spot Diagram (note scale) 4U3 `g
Quick Ray Aberration Plot (note scale) Q)\[wYMt
Quick Field Plot (note scales and maximum distortion value) <?h (Dchq
Analysis > Diffraction > MTF &FG0v<f5Pv
Freq/Calc Tab: Maximum 68, Increment 17 ,(f({l[J}
Graphics tab: Max plot freq 68 ' pIC~
Click OK (keep window open, tear off starting MTF graph for later comparison) .
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Optimization > Automatic Design ?
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Output controls: Click Draw System button h-fm)1S_
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) qp {~OW3
Specific constraints: %~P3t=r
Click Insert Specific Constraint 8 %p+:6kP5
Default display is Optical Definitions, Effective Focal Length (correct choice) JOyM#g9-?
Enter 8.25 for Constraint Target yq!peFu
Click OK. m~4ik1 wq
File > Save Lens As (new name, digcam20_opt.len) VVfTFi<
Re-run View Lens window to see new lens picture. r @PVSH/
Re-run each of the Quick Analysis windows and note scales. _o&NbD H
Re-run the MTF window, compare to tear-off of starting point V P(JV
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以下直接复制到命令行即可出最终结果 _ Td#C1g3
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! Command inputs for Workshop 2-2 (for reference) \eAV: qV
!Restore 20 Degree Digital Camera Lens Setup h@J3+ u<
!FILE > OPEN n8JM
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RES digcam20_start.len wbI1~/
!Vary all radii curvature by right clicking in LDM and selecting VARY }GH C u
!HINT: for curvatures highlight all and select vary. Then go back and HkY#i;%N
!freeze stop surface radius. 2b Fr8FUt-
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ;zd.KaS
!Vary all thicknesses by same method. Do not select surface with solve since \+&)9 !K
!varying this surface will delete solve. If mistake, use UNDO or go to 5mZwg(si
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 'j! n
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 s[VYd:}se
THC S8 0 !Don't forget to vary the image distance which calculates best !_oR/)
!best real-ray focus from paraxial image plane J&B5Ll
!Vary glass by highlighting, right clicking, and selecting Vary 3J8M0W
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 QB ! %
!Optimize OPTIMIZATION > AUTOMATIC DESIGN lq a ~ZF*
AUT 40z1Qkmaey
EFL Z1 = 8.25 !Effective Focal Length Constraint C=2DxdZG
MNT 0.8 !Minimum Center Thickness General Constraint G-, 0mo
MNE 0.5 !Minimum Edge Thickness General Constraint 24wr= 5p]Q
DRA S1..I YES !Draw a picture of lens system at each cycle \ 7IT[<Se
GO `fl$ o6S/
!Reanalyze the system. Make sure to "Tear Off" original analysis before tKds|0,j|
!re-executing to compare optimized system [.6bxK
!Re-execute Drawing AU ES;2WL
VIE wFjQ1<s=
GO =5:S"WNj
!Re-execute MTF Z~[eG"6zI
MTF .v-2A );I
MFR 68 /1 uGsE+[
IFR 17 =(~Zm B\
GO EVE"F'Ww,_
!Re-execute Field (Distortion) Analysis :Ys
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FIE {s8g;yU5
GO JB=L{P J
!Save Lens FILE > SAVE LENS AS... s(e1kk}"
SAV digcam20_opt
