主要是看人家的操作步骤,想学命令的人请看，十分有用 s.z (1MB]
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) fR<_ 4L
Display > View Lens (accept defaults, click OK, keep window open) 9:zW$Gt&
In LDM spreadsheet, select surfaces 1 to Image eqD|3YX
Choose Edit > Default Variables, then click in any cell to unselect the range bL\ab
Right click in each cell and choose Vary for :f (UZmV$
Thickness of surfaces 1, 4, 6 -'btKz*9
Glass of surfaces 1, 4, 6 8Wx>,$k
File > Save Lens !mhV$2&r
Using Quick Analysis tool bar, click… h-u63b1"?
Quick Spot Diagram (note scale) BL1$ ~0
Quick Ray Aberration Plot (note scale) }$5S @,
Quick Field Plot (note scales and maximum distortion value) Lqy]bnY
Analysis > Diffraction > MTF Dz$GP A
Freq/Calc Tab: Maximum 68, Increment 17 o /273I
Graphics tab: Max plot freq 68 t|q@~B
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Click OK (keep window open, tear off starting MTF graph for later comparison) 71`)@y,Z,
Optimization > Automatic Design jyRSe^ x
Output controls: Click Draw System button P)x&9OHV
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) b
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Specific constraints: \k\ {S2SU
Click Insert Specific Constraint @Bs7 kjuX
Default display is Optical Definitions, Effective Focal Length (correct choice) e1a8>>bcI
Enter 8.25 for Constraint Target "H I&dC
Click OK. TZ8:3ti
File > Save Lens As (new name, digcam20_opt.len) m' D_zb9+
Re-run View Lens window to see new lens picture. Dizc#!IGU
Re-run each of the Quick Analysis windows and note scales. #& zNY zI
Re-run the MTF window, compare to tear-off of starting point /KD KA)
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以下直接复制到命令行即可出最终结果 S x{vZ S3
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! Command inputs for Workshop 2-2 (for reference) Tjba @^T
!Restore 20 Degree Digital Camera Lens Setup `)e5p K
!FILE > OPEN Ce 3{KGBw
RES digcam20_start.len ( <~
!Vary all radii curvature by right clicking in LDM and selecting VARY q~_DR4xZ
!HINT: for curvatures highlight all and select vary. Then go back and Er(
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!freeze stop surface radius. )EQWc0iKG
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 1#rcxUSi
!Vary all thicknesses by same method. Do not select surface with solve since M*ZR+pq,
!varying this surface will delete solve. If mistake, use UNDO or go to F *" "n
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve t){})nZ/4
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 $80 TRB#
THC S8 0 !Don't forget to vary the image distance which calculates best QN`K|,}H^
!best real-ray focus from paraxial image plane 2JY]$$K7
!Vary glass by highlighting, right clicking, and selecting Vary 9z >I&vc X
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 hgt@Mb
!Optimize OPTIMIZATION > AUTOMATIC DESIGN _XLGXJ[B
AUT fyYH wG
EFL Z1 = 8.25 !Effective Focal Length Constraint >fG=(1"
MNT 0.8 !Minimum Center Thickness General Constraint PvW {g5)S
MNE 0.5 !Minimum Edge Thickness General Constraint N|t!G^rP
DRA S1..I YES !Draw a picture of lens system at each cycle 5P=3.Mk
GO Cq mtO?vne
!Reanalyze the system. Make sure to "Tear Off" original analysis before 5]_m\ zn=
!re-executing to compare optimized system -! d'!;
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!Re-execute Drawing VRe7 Q0
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GO qfJi[8".
!Re-execute MTF xi5G? r
MTF bYs K|n
MFR 68 aU&p7y4C@
IFR 17
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GO \YXzq<7
!Re-execute Field (Distortion) Analysis Tp
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FIE q [}<LU
GO j1[Ng #.
!Save Lens FILE > SAVE LENS AS... .`./MRC
SAV digcam20_opt
