主要是看人家的操作步骤,想学命令的人请看，十分有用 T+R I8.#o
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ,hLSRj{
Display > View Lens (accept defaults, click OK, keep window open) ?4e6w
In LDM spreadsheet, select surfaces 1 to Image W"(`n4hi3
Choose Edit > Default Variables, then click in any cell to unselect the range z \>X[yNpA
Right click in each cell and choose Vary for $?A A" Nz
Thickness of surfaces 1, 4, 6 NxO^VUD
Glass of surfaces 1, 4, 6 ^G&D4uZ
File > Save Lens *)1Vs'!-
Using Quick Analysis tool bar, click… 0WE1}.J<
Quick Spot Diagram (note scale) W'h0Zg
Quick Ray Aberration Plot (note scale) ^85n9a?8
Quick Field Plot (note scales and maximum distortion value) F J8@b
Analysis > Diffraction > MTF m\M+pjz
Freq/Calc Tab: Maximum 68, Increment 17 e=sJMzm~
Graphics tab: Max plot freq 68 %@n8
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Click OK (keep window open, tear off starting MTF graph for later comparison) ([b!$o<v
Optimization > Automatic Design |qcFmy
Output controls: Click Draw System button P<!$A
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) /I'u/{KB
Specific constraints: cvE.r330|
Click Insert Specific Constraint > '
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Default display is Optical Definitions, Effective Focal Length (correct choice) )kKmgtj
Enter 8.25 for Constraint Target P3tG #cJ
Click OK. B36 puz 0{
File > Save Lens As (new name, digcam20_opt.len) ds;cfj[
Re-run View Lens window to see new lens picture. ~+ s*\~
Re-run each of the Quick Analysis windows and note scales. =yX&p:-&
Re-run the MTF window, compare to tear-off of starting point )S}; k=kG
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以下直接复制到命令行即可出最终结果 #z!Hb&Qi\
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! Command inputs for Workshop 2-2 (for reference) dIpW!Pj^
!Restore 20 Degree Digital Camera Lens Setup `1bX.7K43
!FILE > OPEN z<%g
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RES digcam20_start.len br;H8-
!Vary all radii curvature by right clicking in LDM and selecting VARY Nv?-*& L
!HINT: for curvatures highlight all and select vary. Then go back and ' &:1?i)
!freeze stop surface radius. {{ *]bGko
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 XL
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!Vary all thicknesses by same method. Do not select surface with solve since hMeqs+
!varying this surface will delete solve. If mistake, use UNDO or go to Fiu!!M6
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve p^igscPF6
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 )R8%'X;U
THC S8 0 !Don't forget to vary the image distance which calculates best +6hl@Fm(
!best real-ray focus from paraxial image plane \D U^idp#
!Vary glass by highlighting, right clicking, and selecting Vary p&sK\
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 r}0C8(o q
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Va@6=U7c
AUT ur<eew@8@i
EFL Z1 = 8.25 !Effective Focal Length Constraint 7e c0Xh1
MNT 0.8 !Minimum Center Thickness General Constraint AwXt @!(
MNE 0.5 !Minimum Edge Thickness General Constraint Bug}^t{M
DRA S1..I YES !Draw a picture of lens system at each cycle z {pC7e5
GO l^ 0_> R
!Reanalyze the system. Make sure to "Tear Off" original analysis before }\f(qw
!re-executing to compare optimized system ^{*f3m/
!Re-execute Drawing xshAr J&A
VIE @>G&7r:U
GO 6b ]1d04hT
!Re-execute MTF y=9Dxst"V
MTF inPE/Ux
MFR 68 9 rT z N
IFR 17 n^AP"1l8?0
GO Z.:< TrN
!Re-execute Field (Distortion) Analysis
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FIE _}zo
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GO s[3
