主要是看人家的操作步骤,想学命令的人请看，十分有用 <7L-25 =
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) , Qo:]Mj
Display > View Lens (accept defaults, click OK, keep window open) 6p3cMJ'8y
In LDM spreadsheet, select surfaces 1 to Image _^ n>kLd$
Choose Edit > Default Variables, then click in any cell to unselect the range i] ,~tT|P
Right click in each cell and choose Vary for \O,yWyU4
Thickness of surfaces 1, 4, 6 V|awbff:
Glass of surfaces 1, 4, 6 ,C_MB1u
File > Save Lens U.I 7p
Using Quick Analysis tool bar, click… W+4Bx=Mj
Quick Spot Diagram (note scale) Are0Nj&?
Quick Ray Aberration Plot (note scale) &%(SkL_]
Quick Field Plot (note scales and maximum distortion value) jJ 'NYG
Analysis > Diffraction > MTF X%B$*y5
Freq/Calc Tab: Maximum 68, Increment 17 E7w^A
Graphics tab: Max plot freq 68 *1:kIi7_
Click OK (keep window open, tear off starting MTF graph for later comparison) #e@[{s7
Optimization > Automatic Design g
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Output controls: Click Draw System button >f1fvv6
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) vD/l`Ib:
Specific constraints: .vi0D uD6
Click Insert Specific Constraint fwUF5Y
Default display is Optical Definitions, Effective Focal Length (correct choice) ^R(=4%8%"
Enter 8.25 for Constraint Target z?UEn#E2
Click OK. _c:th{*
File > Save Lens As (new name, digcam20_opt.len) ;/IX w>O(/
Re-run View Lens window to see new lens picture. G<`(d@g
Re-run each of the Quick Analysis windows and note scales. X_Pbbx_j
Re-run the MTF window, compare to tear-off of starting point z fy(j
---------------------------------------------------------------------------------------------- G$CSZrP.
以下直接复制到命令行即可出最终结果 Yz EOfHL,
---------------------------------------------------------------------------------------------- j|p=JrCJ
! Command inputs for Workshop 2-2 (for reference) ?hURNlR_Q
!Restore 20 Degree Digital Camera Lens Setup ``{GU }n
!FILE > OPEN zh(=kS `
RES digcam20_start.len
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!Vary all radii curvature by right clicking in LDM and selecting VARY Q?`s4P)14o
!HINT: for curvatures highlight all and select vary. Then go back and L i 9$N"2
!freeze stop surface radius. iHQ$L# 7
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 2Ib
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!Vary all thicknesses by same method. Do not select surface with solve since ?UeV5<TewS
!varying this surface will delete solve. If mistake, use UNDO or go to -0NkAQ rg
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve d+0= a]
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ;.R)
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THC S8 0 !Don't forget to vary the image distance which calculates best mW,b#'hy
!best real-ray focus from paraxial image plane IfI:|w}:"r
!Vary glass by highlighting, right clicking, and selecting Vary E4_,E eC#
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 y T&#k 1
!Optimize OPTIMIZATION > AUTOMATIC DESIGN %ca` v;].
AUT LA/Qm/T
EFL Z1 = 8.25 !Effective Focal Length Constraint Vk[M .= J
MNT 0.8 !Minimum Center Thickness General Constraint <R_)[{ 7
MNE 0.5 !Minimum Edge Thickness General Constraint 0[7"Lhp d
DRA S1..I YES !Draw a picture of lens system at each cycle L[`8 :}M
GO ^L.' At
!Reanalyze the system. Make sure to "Tear Off" original analysis before A.$P1zwC
!re-executing to compare optimized system %):pfM;b
!Re-execute Drawing dAM]ZR<
VIE .O&YdUo
GO taO(\FOm
!Re-execute MTF iYlkc
MTF t/3qD7L
MFR 68 G)o:R iq
IFR 17 |=:hUp Jp
GO l%2 gM7WMY
!Re-execute Field (Distortion) Analysis G6JP3dOT
FIE f9d{{u
GO rc "8N<D
!Save Lens FILE > SAVE LENS AS... um( xZ6&m
SAV digcam20_opt
