主要是看人家的操作步骤,想学命令的人请看，十分有用 l6c%_<P|
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) j( C
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Display > View Lens (accept defaults, click OK, keep window open) t}k'Ba3]:Y
In LDM spreadsheet, select surfaces 1 to Image
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Choose Edit > Default Variables, then click in any cell to unselect the range {IHK< aW
Right click in each cell and choose Vary for lp-Zx[#`}C
Thickness of surfaces 1, 4, 6 oz6+rM6MY
Glass of surfaces 1, 4, 6 YG~ o
File > Save Lens 0"psKf'
Using Quick Analysis tool bar, click… mv*T=N8fC
Quick Spot Diagram (note scale) u?;Vxh3@|
Quick Ray Aberration Plot (note scale) 7E3SvC|M
Quick Field Plot (note scales and maximum distortion value) ]Y&)98
Analysis > Diffraction > MTF ,i?!3oLT
Freq/Calc Tab: Maximum 68, Increment 17 DsJn#>?Kh
Graphics tab: Max plot freq 68 ;c-
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Click OK (keep window open, tear off starting MTF graph for later comparison) K6{ bYho
Optimization > Automatic Design S ?7V
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Output controls: Click Draw System button prEu9$:t
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) +^ DRto=
Specific constraints: b]<Hh U
Click Insert Specific Constraint 3E}NiD\V}
Default display is Optical Definitions, Effective Focal Length (correct choice) `XSc >
Enter 8.25 for Constraint Target (:- Jl"&R@
Click OK. aXbNDj
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File > Save Lens As (new name, digcam20_opt.len) :~3{oZGX&
Re-run View Lens window to see new lens picture. H<Kk j
Re-run each of the Quick Analysis windows and note scales. EKeh>3;?
Re-run the MTF window, compare to tear-off of starting point d&T6p&V$
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以下直接复制到命令行即可出最终结果 gJ5wAK+?
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! Command inputs for Workshop 2-2 (for reference) (#B^Hyz!
!Restore 20 Degree Digital Camera Lens Setup 9;]wF8h
!FILE > OPEN . z$Sm
RES digcam20_start.len C8qTz".5$
!Vary all radii curvature by right clicking in LDM and selecting VARY mKq<'t]^k
!HINT: for curvatures highlight all and select vary. Then go back and xw+<p
!freeze stop surface radius. KT];SF ^Y
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 mvTyx7 h=
!Vary all thicknesses by same method. Do not select surface with solve since ri<'-w i
!varying this surface will delete solve. If mistake, use UNDO or go to }WO9!E(
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve } }f_
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 M*O(+EM
THC S8 0 !Don't forget to vary the image distance which calculates best `xX4!^0Hm
!best real-ray focus from paraxial image plane a#Kmj 0
!Vary glass by highlighting, right clicking, and selecting Vary GL 5^_`n
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 |rxKCzjm
!Optimize OPTIMIZATION > AUTOMATIC DESIGN YO(:32S
AUT o9 i#N
EFL Z1 = 8.25 !Effective Focal Length Constraint e MN+qkvH
MNT 0.8 !Minimum Center Thickness General Constraint Ep<!zO |
MNE 0.5 !Minimum Edge Thickness General Constraint h7EUIlh"
DRA S1..I YES !Draw a picture of lens system at each cycle p fL2v,]g
GO ~Un64M?
!Reanalyze the system. Make sure to "Tear Off" original analysis before R2N^ '
!re-executing to compare optimized system 8Da( tS
!Re-execute Drawing xHv|ca.E
VIE i $[,-4 v
GO 3q# "i&
!Re-execute MTF 8B *E+f0
MTF VR4E
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MFR 68 KP=D! l&q
IFR 17 Mu '^OX82
GO X:G& 5
!Re-execute Field (Distortion) Analysis 7 MO
FIE H}h~~7E
GO .'5'0lR5
!Save Lens FILE > SAVE LENS AS... l5=u3r9WYC
SAV digcam20_opt
