主要是看人家的操作步骤,想学命令的人请看，十分有用 U'pm 5Mc\q
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 0D[D;MW
Display > View Lens (accept defaults, click OK, keep window open) -Jo8jE~>V
In LDM spreadsheet, select surfaces 1 to Image jzuOs,:R
Choose Edit > Default Variables, then click in any cell to unselect the range 3pxm0|
Right click in each cell and choose Vary for M`W%nvE DE
Thickness of surfaces 1, 4, 6 Nhh2P4gH
Glass of surfaces 1, 4, 6 dcFqK ~
File > Save Lens 3xhv ~be
Using Quick Analysis tool bar, click… sGNVZx
Quick Spot Diagram (note scale) S.;>:Dd[K
Quick Ray Aberration Plot (note scale) KFCL|9P
Quick Field Plot (note scales and maximum distortion value) _Qy3A T~
Analysis > Diffraction > MTF K^V*JH\G
Freq/Calc Tab: Maximum 68, Increment 17 F{1;~ Yg%
Graphics tab: Max plot freq 68 < bHu9 D
Click OK (keep window open, tear off starting MTF graph for later comparison) 8 S&K f>D
Optimization > Automatic Design -Yaw>$nJ
Output controls: Click Draw System button H'Mc]zw_,
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) zNE"5
Specific constraints: Ua.7_E m
Click Insert Specific Constraint fvajNP
Default display is Optical Definitions, Effective Focal Length (correct choice) Oeo:V"
Enter 8.25 for Constraint Target )"
H$1
Click OK. A>"v1Wk
File > Save Lens As (new name, digcam20_opt.len) U
D9 &k^
Re-run View Lens window to see new lens picture. 0phO1h]2S)
Re-run each of the Quick Analysis windows and note scales. P# o/S4
Re-run the MTF window, compare to tear-off of starting point stn yJ9
---------------------------------------------------------------------------------------------- -.A8kJ
以下直接复制到命令行即可出最终结果 =*q|568
---------------------------------------------------------------------------------------------- ;H#'9p ,2
! Command inputs for Workshop 2-2 (for reference) =e7,d$i
!Restore 20 Degree Digital Camera Lens Setup ICNS+KsI
!FILE > OPEN |Rr^K5hmD
RES digcam20_start.len zcrLd={
!Vary all radii curvature by right clicking in LDM and selecting VARY 0B(<I?a/
!HINT: for curvatures highlight all and select vary. Then go back and 2 Wlk]
!freeze stop surface radius. X\SZ Q[gN
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Wt +, 6Cq
!Vary all thicknesses by same method. Do not select surface with solve since )!1; =
!varying this surface will delete solve. If mistake, use UNDO or go to k^q}F%UV
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve Jji~MiMn
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 e&dE>m
THC S8 0 !Don't forget to vary the image distance which calculates best ; 6W lu3I
!best real-ray focus from paraxial image plane [Rh[Z # 6
!Vary glass by highlighting, right clicking, and selecting Vary Cc:4n1|]>
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ;!4Bw"Gg
!Optimize OPTIMIZATION > AUTOMATIC DESIGN zr9o
AUT +w Oa
EFL Z1 = 8.25 !Effective Focal Length Constraint 9X8{"J
MNT 0.8 !Minimum Center Thickness General Constraint <uP >
MNE 0.5 !Minimum Edge Thickness General Constraint DXlP (={*
DRA S1..I YES !Draw a picture of lens system at each cycle _S:6;_bz
GO ]KGLJ~hm>
!Reanalyze the system. Make sure to "Tear Off" original analysis before [GeJn\C_?
!re-executing to compare optimized system u,0N[.&N
!Re-execute Drawing )^U M8
s
VIE [>"bL$tlo*
GO F_ ~L&jHP
!Re-execute MTF ;dl>
MTF i^ 9Pi P|U
MFR 68 !j8h$+:K
IFR 17 qO=_i d
GO hd ~X c
!Re-execute Field (Distortion) Analysis P&3' N~k-
FIE ]%I cUd}
GO )r v5Q H`i
!Save Lens FILE > SAVE LENS AS... yH>`Kbf T
SAV digcam20_opt
