主要是看人家的操作步骤,想学命令的人请看，十分有用 I
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) #w si><7
Display > View Lens (accept defaults, click OK, keep window open) mRxeob
In LDM spreadsheet, select surfaces 1 to Image y=AF
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Choose Edit > Default Variables, then click in any cell to unselect the range N7_(,Gu*R
Right click in each cell and choose Vary for ! iK{q0
Thickness of surfaces 1, 4, 6 B) dG:~
Glass of surfaces 1, 4, 6 BQ B<+o'
File > Save Lens C(M ?$s `
Using Quick Analysis tool bar, click… (&X/ n=UI
Quick Spot Diagram (note scale) #L &/o9|
Quick Ray Aberration Plot (note scale) G? Z a/G
Quick Field Plot (note scales and maximum distortion value) % pAbkb3m
Analysis > Diffraction > MTF `$3kt Q $
Freq/Calc Tab: Maximum 68, Increment 17 v <mSd2B*
Graphics tab: Max plot freq 68 .eyJ<b9
Click OK (keep window open, tear off starting MTF graph for later comparison) [I7=]X
Optimization > Automatic Design . "7-f]!
Output controls: Click Draw System button Qkc 9X0J!
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) >'jkL5l
Specific constraints: e{^^u$C1.e
Click Insert Specific Constraint -vc
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Default display is Optical Definitions, Effective Focal Length (correct choice) e7plL^^`
Enter 8.25 for Constraint Target FRXaPod
Click OK. w}e_ 17A
File > Save Lens As (new name, digcam20_opt.len) /[n]t
Re-run View Lens window to see new lens picture. R 83P HM
Re-run each of the Quick Analysis windows and note scales. MeAY\V%G=o
Re-run the MTF window, compare to tear-off of starting point q(Ow:3&
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以下直接复制到命令行即可出最终结果 &>G8DvfJ9
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! Command inputs for Workshop 2-2 (for reference) N0N% ~3
!Restore 20 Degree Digital Camera Lens Setup qx*N-,M%k(
!FILE > OPEN 9Q\RCl_1
RES digcam20_start.len 8 ~g~XUl
!Vary all radii curvature by right clicking in LDM and selecting VARY a %?v/Ku
!HINT: for curvatures highlight all and select vary. Then go back and FtlJ3fB@
!freeze stop surface radius. A+FQmLS
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 B9H.8+~(
!Vary all thicknesses by same method. Do not select surface with solve since 8G3.bi'q
!varying this surface will delete solve. If mistake, use UNDO or go to qxYCT$1
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve TP)o0 U
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 :)FNhx3
THC S8 0 !Don't forget to vary the image distance which calculates best </R @)_'
!best real-ray focus from paraxial image plane MM( ,D&
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!Vary glass by highlighting, right clicking, and selecting Vary D[4%CQ1m
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 yV31OBC:
!Optimize OPTIMIZATION > AUTOMATIC DESIGN E )2/Vn2
AUT Q5_ ,`r`
EFL Z1 = 8.25 !Effective Focal Length Constraint lA`-"
MNT 0.8 !Minimum Center Thickness General Constraint `G=+qti
MNE 0.5 !Minimum Edge Thickness General Constraint ==trl#kQ%%
DRA S1..I YES !Draw a picture of lens system at each cycle yh).1Q-D
GO I*/: rb
!Reanalyze the system. Make sure to "Tear Off" original analysis before %ofq
!re-executing to compare optimized system rd "!&i
!Re-execute Drawing ++ObsWZ
VIE w{]B)>! 1W
GO Z Z c^~
!Re-execute MTF B~,?Gbl+g
MTF 3K/]{ dkD
MFR 68 l>J% Q^
IFR 17 -iFFXESVX
GO =`Ky N /
!Re-execute Field (Distortion) Analysis Yq:/dpA_
FIE u=E &j L5U
GO tCGA3t
!Save Lens FILE > SAVE LENS AS... }r"E\~E
SAV digcam20_opt
