主要是看人家的操作步骤,想学命令的人请看，十分有用 wP9C\W;
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) $u
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Display > View Lens (accept defaults, click OK, keep window open) B!v1 gh
In LDM spreadsheet, select surfaces 1 to Image K~>kruO";
Choose Edit > Default Variables, then click in any cell to unselect the range jp]JF h;3
Right click in each cell and choose Vary for WXL.D_ =+
Thickness of surfaces 1, 4, 6 z-j \S7F
Glass of surfaces 1, 4, 6 t;'.D @
File > Save Lens Y# #J
Using Quick Analysis tool bar, click… }2@$2YR[
Quick Spot Diagram (note scale) .R,8<4
Quick Ray Aberration Plot (note scale) _p.{|7
Quick Field Plot (note scales and maximum distortion value) m.*+0 NG
Analysis > Diffraction > MTF t}nRW o
Freq/Calc Tab: Maximum 68, Increment 17 2srz) xEe
Graphics tab: Max plot freq 68 5 \J;EWTU
Click OK (keep window open, tear off starting MTF graph for later comparison) TxWj gW~
Optimization > Automatic Design L"a#Uu8
Output controls: Click Draw System button {65X37W
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 2h!3[ {M\
Specific constraints: F t}tIP7
Click Insert Specific Constraint j;
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Default display is Optical Definitions, Effective Focal Length (correct choice) Y>+ D\|%Q
Enter 8.25 for Constraint Target n_<]9
Click OK. ^9nM)[/C?
File > Save Lens As (new name, digcam20_opt.len) o%.cQo=v*
Re-run View Lens window to see new lens picture. rSk $]E ]Z
Re-run each of the Quick Analysis windows and note scales. "n:9Jq Pb
Re-run the MTF window, compare to tear-off of starting point 83a
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以下直接复制到命令行即可出最终结果 a #1X )ot
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! Command inputs for Workshop 2-2 (for reference) ^ =ikxZyO
!Restore 20 Degree Digital Camera Lens Setup vIJdl2(^E
!FILE > OPEN |]Xw1.S.L
RES digcam20_start.len u+'=EGl
!Vary all radii curvature by right clicking in LDM and selecting VARY @& +
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!HINT: for curvatures highlight all and select vary. Then go back and L8fr
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!freeze stop surface radius. SUw{xGp
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 cg~FW2Q
!Vary all thicknesses by same method. Do not select surface with solve since _W+TZa@_
!varying this surface will delete solve. If mistake, use UNDO or go to " J9+~)e^!
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve sw1XN ?O
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 k[p
THC S8 0 !Don't forget to vary the image distance which calculates best =aCv
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!best real-ray focus from paraxial image plane
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!Vary glass by highlighting, right clicking, and selecting Vary $ I9zJ"*
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 p,+~dn;=
!Optimize OPTIMIZATION > AUTOMATIC DESIGN + |,CIl+
AUT }?JO[Q +
EFL Z1 = 8.25 !Effective Focal Length Constraint -4]6tt'G
MNT 0.8 !Minimum Center Thickness General Constraint tL~|/C)d R
MNE 0.5 !Minimum Edge Thickness General Constraint r\] WDX!`
DRA S1..I YES !Draw a picture of lens system at each cycle pkoHi'}} $
GO .^uu* S_
!Reanalyze the system. Make sure to "Tear Off" original analysis before "`S6 1m_
!re-executing to compare optimized system 1pK7EK3R
!Re-execute Drawing mf3 G$=[
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GO f t7wM i
!Re-execute MTF - zkB`~u_
MTF S:d ` z'
MFR 68 L*Y }pO
IFR 17 tx@Q/ou`\P
GO ~AO0(L p
!Re-execute Field (Distortion) Analysis /sai}r 1
FIE $ `
GO 5s>9 v
!Save Lens FILE > SAVE LENS AS... +a|4XyN
SAV digcam20_opt
