主要是看人家的操作步骤,想学命令的人请看，十分有用 P/1UCITq}
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) w Ycz\uV
Display > View Lens (accept defaults, click OK, keep window open) 8ZDqqz^C0
In LDM spreadsheet, select surfaces 1 to Image Kj1#R
Choose Edit > Default Variables, then click in any cell to unselect the range }:c,S O!
Right click in each cell and choose Vary for gQ@Pw4bA
Thickness of surfaces 1, 4, 6 a@a1TpLQ
Glass of surfaces 1, 4, 6 YK=#$,6
File > Save Lens ^?S@v1~7d
Using Quick Analysis tool bar, click… L_zmU_zD
Quick Spot Diagram (note scale) (J;zk b
Quick Ray Aberration Plot (note scale) *l'$pJ X
Quick Field Plot (note scales and maximum distortion value) @)juP- o%
Analysis > Diffraction > MTF HTtGpTsF
Freq/Calc Tab: Maximum 68, Increment 17 (=3& 8$
Graphics tab: Max plot freq 68 "<n"A7e
Click OK (keep window open, tear off starting MTF graph for later comparison) C4 S D
Optimization > Automatic Design YV _I-l0
Output controls: Click Draw System button .V )2Tz
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) x#e\ H
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Specific constraints: /CQQ ^/
Click Insert Specific Constraint x8rFMR#S=
Default display is Optical Definitions, Effective Focal Length (correct choice) Y Q8x6AJ
Enter 8.25 for Constraint Target __zu- !v
Click OK. e#eO`bT
File > Save Lens As (new name, digcam20_opt.len) 5SWX v+
Re-run View Lens window to see new lens picture. 3=L1H ZH
Re-run each of the Quick Analysis windows and note scales. t;f
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Re-run the MTF window, compare to tear-off of starting point 6x3Ew2
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以下直接复制到命令行即可出最终结果 [\%t<aa
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! Command inputs for Workshop 2-2 (for reference) A`U 2HC
!Restore 20 Degree Digital Camera Lens Setup Ud(d Wj-/
!FILE > OPEN 1eR{~ ,
RES digcam20_start.len + so o2cb
!Vary all radii curvature by right clicking in LDM and selecting VARY t T/*ZzMq#
!HINT: for curvatures highlight all and select vary. Then go back and &7kSLat+9{
!freeze stop surface radius. qA_DQ):
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 `kT$Gx4x
!Vary all thicknesses by same method. Do not select surface with solve since @_(@s*4W
!varying this surface will delete solve. If mistake, use UNDO or go to }m
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!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve z'}t@R#H
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 C00*X[p
THC S8 0 !Don't forget to vary the image distance which calculates best 3z. >b
!best real-ray focus from paraxial image plane Dlsa(
!Vary glass by highlighting, right clicking, and selecting Vary ]~<T` )Hi
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Nn4Kt,KY
!Optimize OPTIMIZATION > AUTOMATIC DESIGN :7;Iy u
AUT $MEbeP xe
EFL Z1 = 8.25 !Effective Focal Length Constraint ] j?Fk$C
MNT 0.8 !Minimum Center Thickness General Constraint P>,D$-3
MNE 0.5 !Minimum Edge Thickness General Constraint E2/U ']R
DRA S1..I YES !Draw a picture of lens system at each cycle ?[fl$EG
GO ; 8x^9Q
!Reanalyze the system. Make sure to "Tear Off" original analysis before Hx/Vm`pRyX
!re-executing to compare optimized system uRcuy /CY
!Re-execute Drawing e&7}N Za
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GO ^?VT y5yp
!Re-execute MTF qpH-P8V
MTF ~,4Z nuin
MFR 68 iQj{J1V
IFR 17 "@|V.d@
GO jM@I"JZ b
!Re-execute Field (Distortion) Analysis x@\'@>_GM
FIE 5GpKX
GO (c7{dYV
!Save Lens FILE > SAVE LENS AS... -Z& {$J
SAV digcam20_opt
