主要是看人家的操作步骤,想学命令的人请看，十分有用 la`f@~Bbr1
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ;Eh v1{;
Display > View Lens (accept defaults, click OK, keep window open) ]F"@+_E
In LDM spreadsheet, select surfaces 1 to Image *+ +} ll6
Choose Edit > Default Variables, then click in any cell to unselect the range ]MB6++.e
Right click in each cell and choose Vary for A9LVS&52
Thickness of surfaces 1, 4, 6 [2z
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Glass of surfaces 1, 4, 6 | 43Oc:Ah+
File > Save Lens GsIqUM#R
Using Quick Analysis tool bar, click… O*c<m,
Quick Spot Diagram (note scale) #X0Y8:vj
Quick Ray Aberration Plot (note scale) ,6x>gcR
Quick Field Plot (note scales and maximum distortion value) ;;Jx1Q
Analysis > Diffraction > MTF :%IB34e
Freq/Calc Tab: Maximum 68, Increment 17 =@MJEo` D
Graphics tab: Max plot freq 68 v+'*.Iv:
Click OK (keep window open, tear off starting MTF graph for later comparison) a!, X@5
Optimization > Automatic Design \Z-Fu=8J8^
Output controls: Click Draw System button 2W;2._
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) "f u@2y4^
Specific constraints: % ejq|i7
Click Insert Specific Constraint &,$N|$yK}|
Default display is Optical Definitions, Effective Focal Length (correct choice) _[N*k"
Enter 8.25 for Constraint Target mH )i
Click OK. Z5[g[Q
File > Save Lens As (new name, digcam20_opt.len) {}BAQ9|q
Re-run View Lens window to see new lens picture. @R ;&P R#5
Re-run each of the Quick Analysis windows and note scales. U=[isi+7
Re-run the MTF window, compare to tear-off of starting point }`]Et99Q5
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以下直接复制到命令行即可出最终结果 Am#Pa,g
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! Command inputs for Workshop 2-2 (for reference) wM! dz&
!Restore 20 Degree Digital Camera Lens Setup V2$M`|E
!FILE > OPEN (SByN7[g b
RES digcam20_start.len i K8j X?
!Vary all radii curvature by right clicking in LDM and selecting VARY 4TSkm`iR
!HINT: for curvatures highlight all and select vary. Then go back and 1+qP7 3a^
!freeze stop surface radius. /?*ut&hwv
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 kT:?1 w'
!Vary all thicknesses by same method. Do not select surface with solve since ]6,D 9^{;
!varying this surface will delete solve. If mistake, use UNDO or go to s $ ?;C
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve T
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Uv!VzkPfo
THC S8 0 !Don't forget to vary the image distance which calculates best \9]- (j6[H
!best real-ray focus from paraxial image plane ~Jl q.S '
!Vary glass by highlighting, right clicking, and selecting Vary uS! V_]
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 V9wL3*
!Optimize OPTIMIZATION > AUTOMATIC DESIGN E|W7IgS
AUT _!9I
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EFL Z1 = 8.25 !Effective Focal Length Constraint T[2<_ nn=
MNT 0.8 !Minimum Center Thickness General Constraint kv<(N
MNE 0.5 !Minimum Edge Thickness General Constraint hd)WdGJp
DRA S1..I YES !Draw a picture of lens system at each cycle $}=r 45e0K
GO K+P a b ?
!Reanalyze the system. Make sure to "Tear Off" original analysis before )-25? B
!re-executing to compare optimized system q&^H"
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!Re-execute Drawing =Ea,8bpn
VIE $ SZIJe"K
GO NosOd*S
!Re-execute MTF 7yOBxb
MTF w4l]rH
MFR 68 ? 5wsgP^
IFR 17 bl\;*. s'
GO f,ql8q(|J
!Re-execute Field (Distortion) Analysis QRwO v
FIE o8S P#ET"n
GO a >k9&
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!Save Lens FILE > SAVE LENS AS... D[{"]=-
SAV digcam20_opt
