主要是看人家的操作步骤,想学命令的人请看，十分有用 tc-pVw:TV
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) BhAWIH8@C
Display > View Lens (accept defaults, click OK, keep window open) jh Rg47A
In LDM spreadsheet, select surfaces 1 to Image %63zQFk
Choose Edit > Default Variables, then click in any cell to unselect the range U&F1}P$fb
Right click in each cell and choose Vary for
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Thickness of surfaces 1, 4, 6 WY>r9+A?W
Glass of surfaces 1, 4, 6 Hlh`d N
File > Save Lens eX s^YPi
Using Quick Analysis tool bar, click… VkF vV><"
Quick Spot Diagram (note scale) P:lmQHls+
Quick Ray Aberration Plot (note scale) )I~U&sT\/
Quick Field Plot (note scales and maximum distortion value) l]g
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Analysis > Diffraction > MTF 4o/}KUu(*
Freq/Calc Tab: Maximum 68, Increment 17
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Graphics tab: Max plot freq 68 tO?NbW cp
Click OK (keep window open, tear off starting MTF graph for later comparison) 8x)&4o@
Optimization > Automatic Design hk5[ N=
Output controls: Click Draw System button c> SFt tbU
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) WFr;z*
Specific constraints: <@F.qMl
Click Insert Specific Constraint 5OJ8o>BF
Default display is Optical Definitions, Effective Focal Length (correct choice) "+0Yhr ?
Enter 8.25 for Constraint Target z (1zth
Click OK. qG lbO
File > Save Lens As (new name, digcam20_opt.len) ^l,(~03_
Re-run View Lens window to see new lens picture. ]VKM3[
Re-run each of the Quick Analysis windows and note scales. k<&zVV '
Re-run the MTF window, compare to tear-off of starting point yr;~M{{4
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以下直接复制到命令行即可出最终结果 w"PnN
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! Command inputs for Workshop 2-2 (for reference) ^uWPbW&/q
!Restore 20 Degree Digital Camera Lens Setup kT@m*Etr {
!FILE > OPEN y
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RES digcam20_start.len hSN{jl{L`
!Vary all radii curvature by right clicking in LDM and selecting VARY {/)q=
!HINT: for curvatures highlight all and select vary. Then go back and Yg<L pjq5X
!freeze stop surface radius. mRurGaR
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 |>Ld'\i8
!Vary all thicknesses by same method. Do not select surface with solve since bHKTCPf
!varying this surface will delete solve. If mistake, use UNDO or go to *dAQ{E(rO
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve f]_{4Olk
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 cD%_+@GaU
THC S8 0 !Don't forget to vary the image distance which calculates best *jf%Wj )0M
!best real-ray focus from paraxial image plane A,'F`a u
!Vary glass by highlighting, right clicking, and selecting Vary .S_7R/2(?
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 +!~"o oQZh
!Optimize OPTIMIZATION > AUTOMATIC DESIGN )X 2 /_3
AUT wB(X(nr
EFL Z1 = 8.25 !Effective Focal Length Constraint < NRnE8:
MNT 0.8 !Minimum Center Thickness General Constraint >fq]c
MNE 0.5 !Minimum Edge Thickness General Constraint =,Zkg(M
DRA S1..I YES !Draw a picture of lens system at each cycle k4E2OyCFoJ
GO Vsj1!}X:
!Reanalyze the system. Make sure to "Tear Off" original analysis before i8h^~d2"
!re-executing to compare optimized system '=WPi_Z5:C
!Re-execute Drawing Bs3M7z RG
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GO $e q *@5B
!Re-execute MTF 5(\H:g\z
MTF { aVRvZH4
MFR 68 sU$<v( `"
IFR 17 ]3\%i2NM
GO ?on EqH>
!Re-execute Field (Distortion) Analysis 0'g e}2^
FIE W%wc@.P
GO 9 _b_O T
!Save Lens FILE > SAVE LENS AS... W; zzc1v
SAV digcam20_opt
