主要是看人家的操作步骤,想学命令的人请看，十分有用 .@ /5 Ln
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) _OHz 6ag
Display > View Lens (accept defaults, click OK, keep window open) pi3Z)YcT
In LDM spreadsheet, select surfaces 1 to Image _QkU,[E
Choose Edit > Default Variables, then click in any cell to unselect the range !A&Vg #
Right click in each cell and choose Vary for hRtnO|Z6
Thickness of surfaces 1, 4, 6 VDC rFZ!]
Glass of surfaces 1, 4, 6 0ot=BlMu
File > Save Lens E!C~*l]wJx
Using Quick Analysis tool bar, click… (~zdS.
Quick Spot Diagram (note scale) s[8< @I*u
Quick Ray Aberration Plot (note scale) _av%`bb&z9
Quick Field Plot (note scales and maximum distortion value) mzfj!0zR*
Analysis > Diffraction > MTF ]%"Z[R
Freq/Calc Tab: Maximum 68, Increment 17 RR*z3i`PP
Graphics tab: Max plot freq 68 2p(K0PtX
Click OK (keep window open, tear off starting MTF graph for later comparison) b;Q
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Optimization > Automatic Design ( y=P- nm
Output controls: Click Draw System button Ab cmI*y
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) DyYl97+Z?
Specific constraints: <b{Le{QJ*
Click Insert Specific Constraint VL7zU->
Default display is Optical Definitions, Effective Focal Length (correct choice) W(a=ev2sa
Enter 8.25 for Constraint Target 3 3s.p'
Click OK. .#lQZo6$\|
File > Save Lens As (new name, digcam20_opt.len) gj$gqO`B
Re-run View Lens window to see new lens picture. _+.z2} M
Re-run each of the Quick Analysis windows and note scales. *.ZV .(
Re-run the MTF window, compare to tear-off of starting point &z&Jl#t-)
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以下直接复制到命令行即可出最终结果 9Z6O{
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! Command inputs for Workshop 2-2 (for reference) CIYTs ,u#
!Restore 20 Degree Digital Camera Lens Setup 8{ep y
!FILE > OPEN {*yhiE ,
RES digcam20_start.len wNcf7/ky
!Vary all radii curvature by right clicking in LDM and selecting VARY 3#^xxEu
!HINT: for curvatures highlight all and select vary. Then go back and Q R\qGhQ~
!freeze stop surface radius. mVP@c&1w?
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 E.}T.St
!Vary all thicknesses by same method. Do not select surface with solve since L+9a4/q
!varying this surface will delete solve. If mistake, use UNDO or go to "&77` R
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 7f~.Qus
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 "Do9gW
THC S8 0 !Don't forget to vary the image distance which calculates best j""u: l^+x
!best real-ray focus from paraxial image plane rP^2MH"
!Vary glass by highlighting, right clicking, and selecting Vary k%VV(P]sT
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 oypX.nye_
!Optimize OPTIMIZATION > AUTOMATIC DESIGN :&9#p% /
AUT =cX &H
EFL Z1 = 8.25 !Effective Focal Length Constraint s)8g4Yc*
MNT 0.8 !Minimum Center Thickness General Constraint _u ]Wr%D@
MNE 0.5 !Minimum Edge Thickness General Constraint {CYFM[V
DRA S1..I YES !Draw a picture of lens system at each cycle SI4M<'fK
GO *=UEx0_!q
!Reanalyze the system. Make sure to "Tear Off" original analysis before U43PHcv_
!re-executing to compare optimized system svHs&v
!Re-execute Drawing JY4 +MApN
VIE 5 ,q uM"
GO qIuY2b`6
!Re-execute MTF Kw"7M~
MTF ` >g:
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MFR 68 8! pfy"
IFR 17 |r%6;8A]i
GO !n@Yg2 w
!Re-execute Field (Distortion) Analysis |J ?KHI
FIE e#<%` \qH
GO ;[uJ~7e3
!Save Lens FILE > SAVE LENS AS... A) /_:
SAV digcam20_opt
