主要是看人家的操作步骤,想学命令的人请看，十分有用 <{cQ2
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) |V7*l1
Display > View Lens (accept defaults, click OK, keep window open) Y|/ 8up
In LDM spreadsheet, select surfaces 1 to Image UL9n-M =
Choose Edit > Default Variables, then click in any cell to unselect the range $ NO&YLS@
Right click in each cell and choose Vary for HOJV,9v N
Thickness of surfaces 1, 4, 6 . 'yCw#f
Glass of surfaces 1, 4, 6 N)Z?Z+ }h
File > Save Lens `QY)!$mUIF
Using Quick Analysis tool bar, click… d0 /#nz
Quick Spot Diagram (note scale) Ht&Y C<X
Quick Ray Aberration Plot (note scale) `qwBn=
Quick Field Plot (note scales and maximum distortion value) .tr!( O],h
Analysis > Diffraction > MTF 9Gz=lc[!7
Freq/Calc Tab: Maximum 68, Increment 17
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Graphics tab: Max plot freq 68 (4-CF3D
Click OK (keep window open, tear off starting MTF graph for later comparison) Yoll?_k+
Optimization > Automatic Design uvS)8-o&F
Output controls: Click Draw System button ] }X
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 6d~'$<5on
Specific constraints: [a<SDMR
Click Insert Specific Constraint -D~%|).'
Default display is Optical Definitions, Effective Focal Length (correct choice) Z$? #
Enter 8.25 for Constraint Target {(?4!rh
Click OK. -H-~;EzU
File > Save Lens As (new name, digcam20_opt.len) 7cMv/g^ h@
Re-run View Lens window to see new lens picture. 3T0"" !Q
Re-run each of the Quick Analysis windows and note scales. 2 8 u_!f[
Re-run the MTF window, compare to tear-off of starting point UR5`ue ;
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以下直接复制到命令行即可出最终结果 r:TH]hs12+
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! Command inputs for Workshop 2-2 (for reference) l}M !8:UzU
!Restore 20 Degree Digital Camera Lens Setup a"u0Q5J
!FILE > OPEN @9|hMo
RES digcam20_start.len _PR4`C*
!Vary all radii curvature by right clicking in LDM and selecting VARY 8Xs 8A.
!HINT: for curvatures highlight all and select vary. Then go back and o3}3p]S\
!freeze stop surface radius. r#mx~OVkk
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 q- d: TMkc
!Vary all thicknesses by same method. Do not select surface with solve since ( &x['IR
!varying this surface will delete solve. If mistake, use UNDO or go to X#;bh78&-
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve "tp Sg
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ht}wEvv
THC S8 0 !Don't forget to vary the image distance which calculates best o#1 $q`Z
!best real-ray focus from paraxial image plane JOBhx)E
!Vary glass by highlighting, right clicking, and selecting Vary 18:%~>.!
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ?=pT7M
!Optimize OPTIMIZATION > AUTOMATIC DESIGN +m,yA mEEd
AUT )@bQu~Y
EFL Z1 = 8.25 !Effective Focal Length Constraint ,UE83j8D^
MNT 0.8 !Minimum Center Thickness General Constraint @ pU)_d!pJ
MNE 0.5 !Minimum Edge Thickness General Constraint \Y}8S/]
DRA S1..I YES !Draw a picture of lens system at each cycle ^5
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GO d m%8K6|
!Reanalyze the system. Make sure to "Tear Off" original analysis before <1M-Ro?5k
!re-executing to compare optimized system y4fdq7i~}9
!Re-execute Drawing ;gr9/Vl
VIE r" ,GC]
GO qJUK_6|3
!Re-execute MTF @U} 1EC{A
MTF Pk)1WK7E
MFR 68 - A!%*9Z
IFR 17 u\JNr}bL
GO c~
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!Re-execute Field (Distortion) Analysis r] 36z X v
FIE z2>lI9D4V
GO t\ewHZ G"
!Save Lens FILE > SAVE LENS AS... 8Uxne 2e
SAV digcam20_opt
