主要是看人家的操作步骤,想学命令的人请看,十分有用 \x<,Ma=D
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) uGn BlR$}
Display > View Lens (accept defaults, click OK, keep window open) H?eG5
In LDM spreadsheet, select surfaces 1 to Image $> ;|
Choose Edit > Default Variables, then click in any cell to unselect the range E@%1HO_
Right click in each cell and choose Vary for ecx_&J@D
Thickness of surfaces 1, 4, 6 bxPJ5oT
Glass of surfaces 1, 4, 6 i1X!G|Awfv
File > Save Lens BUdO:fr
Using Quick Analysis tool bar, click… :`K2?;DC8
Quick Spot Diagram (note scale) M1]w0~G
Quick Ray Aberration Plot (note scale) i03=Af3
Quick Field Plot (note scales and maximum distortion value) ~;-2eKw
Analysis > Diffraction > MTF O3?^P"C
Freq/Calc Tab: Maximum 68, Increment 17 j >`FZKxp
Graphics tab: Max plot freq 68 8QMMKOui\
Click OK (keep window open, tear off starting MTF graph for later comparison) A~v[6*~>
Optimization > Automatic Design ul
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Output controls: Click Draw System button oB @)!'
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) MR: H3
Specific constraints: |z8_]o+|r1
Click Insert Specific Constraint 1;?w#/&t
Default display is Optical Definitions, Effective Focal Length (correct choice) T*S)U ;
Enter 8.25 for Constraint Target Q-A_ 8
Click OK. m<LzgX
File > Save Lens As (new name, digcam20_opt.len) xnJ#}-.7
Re-run View Lens window to see new lens picture. &xvNR=K[`
Re-run each of the Quick Analysis windows and note scales. _j4K
Re-run the MTF window, compare to tear-off of starting point tk)}4b^\%j
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以下直接复制到命令行即可出最终结果 *NM*
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! Command inputs for Workshop 2-2 (for reference) CKSs(-hkJ
!Restore 20 Degree Digital Camera Lens Setup ~[kI![
!FILE > OPEN M04u>|
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RES digcam20_start.len 5!wjYQt3
!Vary all radii curvature by right clicking in LDM and selecting VARY foBF]7Bz?
!HINT: for curvatures highlight all and select vary. Then go back and DZ $O%
!freeze stop surface radius. zo8&(XS
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 U6o]7j&6
!Vary all thicknesses by same method. Do not select surface with solve since
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!varying this surface will delete solve. If mistake, use UNDO or go to 9xK#(M
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 *v: .]_;
THC S8 0 !Don't forget to vary the image distance which calculates best D(&Zq7]n
!best real-ray focus from paraxial image plane 0+)1KU)I
!Vary glass by highlighting, right clicking, and selecting Vary DjiI*HLNR
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 "uj@!SEs`?
!Optimize OPTIMIZATION > AUTOMATIC DESIGN oA:`=f%\
AUT FW)~e*@8=
EFL Z1 = 8.25 !Effective Focal Length Constraint In;P33'p
MNT 0.8 !Minimum Center Thickness General Constraint l)~$/#k
MNE 0.5 !Minimum Edge Thickness General Constraint a1ps'^Qhh
DRA S1..I YES !Draw a picture of lens system at each cycle (WP^}V5
GO {iCX?Sb
!Reanalyze the system. Make sure to "Tear Off" original analysis before 0W_u"UY$c
!re-executing to compare optimized system ~0o>B$xJ
!Re-execute Drawing ooCfr?E
VIE ~$rSy|19
GO _;/+8=
!Re-execute MTF ]GsI|se
MTF <]_[o:nOP
MFR 68 F7/%,vf
IFR 17 0-uVmlk=/
GO '|*e4n
!Re-execute Field (Distortion) Analysis bPkz= ^-
FIE .eorwj]yb
GO hSN38wy
!Save Lens FILE > SAVE LENS AS...
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SAV digcam20_opt