主要是看人家的操作步骤,想学命令的人请看，十分有用 b\2"1m0H
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) hG^23FiN
Display > View Lens (accept defaults, click OK, keep window open) 9E^p i LA
In LDM spreadsheet, select surfaces 1 to Image ry0 =N^
Choose Edit > Default Variables, then click in any cell to unselect the range 5*AKl< Jl
Right click in each cell and choose Vary for AMdS+(J
Thickness of surfaces 1, 4, 6 3(%,2
Glass of surfaces 1, 4, 6 <Va>5R_d<
File > Save Lens \K6J{;# L
Using Quick Analysis tool bar, click… S\A[Z&k 0
Quick Spot Diagram (note scale) wu')Q/v
Quick Ray Aberration Plot (note scale) Z ux2VepT
Quick Field Plot (note scales and maximum distortion value) s<b7/ ;w'
Analysis > Diffraction > MTF wLbngO=VG
Freq/Calc Tab: Maximum 68, Increment 17 St`m52V(5X
Graphics tab: Max plot freq 68 B^9 #X5!
Click OK (keep window open, tear off starting MTF graph for later comparison) X\%3u PQ
Optimization > Automatic Design yH^*Fp8V
Output controls: Click Draw System button @Xmk Im
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) _H s vF[\[
Specific constraints: bed+Ur&
Click Insert Specific Constraint '_)t R;s
Default display is Optical Definitions, Effective Focal Length (correct choice) `vw.~OBl
Enter 8.25 for Constraint Target V*}zwm s6
Click OK. 7 %"7Rb^@
File > Save Lens As (new name, digcam20_opt.len) BP$#a
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Re-run View Lens window to see new lens picture. R{_ IrYk
Re-run each of the Quick Analysis windows and note scales. K }BX6dA
Re-run the MTF window, compare to tear-off of starting point ([~`{,sv
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以下直接复制到命令行即可出最终结果 SO/]d70HG
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! Command inputs for Workshop 2-2 (for reference) Oe`t! &v
!Restore 20 Degree Digital Camera Lens Setup L ]c9
!FILE > OPEN 5b p"dIe
RES digcam20_start.len b`zf&Mn
!Vary all radii curvature by right clicking in LDM and selecting VARY @g~sgE}#
!HINT: for curvatures highlight all and select vary. Then go back and Ziimz}WHF
!freeze stop surface radius. @k<~ `S~|
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 03@| dN
!Vary all thicknesses by same method. Do not select surface with solve since 99K+7G\{
!varying this surface will delete solve. If mistake, use UNDO or go to R:N-y."La.
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve QEa=!O
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 7`HU wu
THC S8 0 !Don't forget to vary the image distance which calculates best U.OX*-Cd
!best real-ray focus from paraxial image plane Oy$BR
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!Vary glass by highlighting, right clicking, and selecting Vary 'OCo1|iK~
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 vq1&8=
!Optimize OPTIMIZATION > AUTOMATIC DESIGN u2-7vudh
AUT 4sjr\9IDC
EFL Z1 = 8.25 !Effective Focal Length Constraint }3w b*,Sbz
MNT 0.8 !Minimum Center Thickness General Constraint Z;D3lbqE
MNE 0.5 !Minimum Edge Thickness General Constraint (B<AK4G
DRA S1..I YES !Draw a picture of lens system at each cycle Ir #V2]$
GO #Ca's'j&f
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;NE/!!
!re-executing to compare optimized system om?CF l
!Re-execute Drawing _`>7
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GO 7"p s#)O
!Re-execute MTF XWpnZFjE
MTF ~79Qg{+]N
MFR 68 ue<<Y"NR
IFR 17 +z0}{,HX
GO .+}o'rU
!Re-execute Field (Distortion) Analysis )Cvzj<Q0
FIE =pyZ^/}P
GO 9t.yP;j\Y
!Save Lens FILE > SAVE LENS AS... 4!vUksM
SAV digcam20_opt
