主要是看人家的操作步骤,想学命令的人请看，十分有用 ;IPk+,hpmi
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) U_aI!` WXd
Display > View Lens (accept defaults, click OK, keep window open) V{>;Z vj1R
In LDM spreadsheet, select surfaces 1 to Image Rd;t}E$
Choose Edit > Default Variables, then click in any cell to unselect the range &y73^"%
Right click in each cell and choose Vary for UHfE.mTjM
Thickness of surfaces 1, 4, 6 & l-d_dh
Glass of surfaces 1, 4, 6 "#8^":,4
File > Save Lens 8?<J,zu@AV
Using Quick Analysis tool bar, click… ;cL+= !
Quick Spot Diagram (note scale) rB( Q)N
Quick Ray Aberration Plot (note scale) o^d| /;
Quick Field Plot (note scales and maximum distortion value) W>{&"
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Analysis > Diffraction > MTF r0&LjH&R
Freq/Calc Tab: Maximum 68, Increment 17 dn 42'(p@G
Graphics tab: Max plot freq 68 Q-G8Fo%#,E
Click OK (keep window open, tear off starting MTF graph for later comparison) 16z
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Optimization > Automatic Design T51oNO%^
Output controls: Click Draw System button ~pI`_3
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) Ei<+{P(t0
Specific constraints: dR,a0+!
Click Insert Specific Constraint qOyS8tA.H
Default display is Optical Definitions, Effective Focal Length (correct choice) P$ b5o
Enter 8.25 for Constraint Target l_2l/ff9
Click OK. 7uv"# m q
File > Save Lens As (new name, digcam20_opt.len) 0@u{(m
Re-run View Lens window to see new lens picture. _q@ lP|
Re-run each of the Quick Analysis windows and note scales. 7:$dl #
Re-run the MTF window, compare to tear-off of starting point Bv*VNfU m
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以下直接复制到命令行即可出最终结果 w+\RSqz/
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! Command inputs for Workshop 2-2 (for reference) ?"}U?m=
!Restore 20 Degree Digital Camera Lens Setup V0#E7u`4
!FILE > OPEN
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RES digcam20_start.len 3_eg'EP.E
!Vary all radii curvature by right clicking in LDM and selecting VARY %.uN|o&n
!HINT: for curvatures highlight all and select vary. Then go back and 5(Q-||J
!freeze stop surface radius. DEfh R?v
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 >A 6PH*x
!Vary all thicknesses by same method. Do not select surface with solve since <x$f D37
!varying this surface will delete solve. If mistake, use UNDO or go to @k:@mzB7R
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve j 6 _w2
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 rg %m
THC S8 0 !Don't forget to vary the image distance which calculates best dj 6Lf
!best real-ray focus from paraxial image plane ZiH4s |
!Vary glass by highlighting, right clicking, and selecting Vary 7
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ( Y mIui>
!Optimize OPTIMIZATION > AUTOMATIC DESIGN #fyY37 -
AUT 3] U /^f3
EFL Z1 = 8.25 !Effective Focal Length Constraint GapH^trm
MNT 0.8 !Minimum Center Thickness General Constraint QYB LU7
MNE 0.5 !Minimum Edge Thickness General Constraint 7d_"4 ;K)
DRA S1..I YES !Draw a picture of lens system at each cycle 0 R &7vn
GO OXoEA a
!Reanalyze the system. Make sure to "Tear Off" original analysis before 4 T/ ~erc
!re-executing to compare optimized system R3BK\kf&
!Re-execute Drawing Z3Xgi~c
VIE 9*?YES'6
GO %+
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!Re-execute MTF f+c{<fX
MTF t$Ua&w
MFR 68 TjctK [db@
IFR 17 `-rtU
GO n 2(\pQKm
!Re-execute Field (Distortion) Analysis k@9q5lu;T
FIE MY&?*pV)
GO D6FG$SV
!Save Lens FILE > SAVE LENS AS... ]RW*3X
SAV digcam20_opt
