主要是看人家的操作步骤,想学命令的人请看，十分有用 WRA(k
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) %rgW}Z 5
Display > View Lens (accept defaults, click OK, keep window open) QS n18V>{
In LDM spreadsheet, select surfaces 1 to Image Hq,@j{($
Choose Edit > Default Variables, then click in any cell to unselect the range ,!LY: pMK
Right click in each cell and choose Vary for hF5T9^8
Thickness of surfaces 1, 4, 6
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Glass of surfaces 1, 4, 6 !*HJBZ]q
File > Save Lens Yh;(puhyA
Using Quick Analysis tool bar, click… NQ;$V:s)
Quick Spot Diagram (note scale) r{84Y!k~*
Quick Ray Aberration Plot (note scale) C^5 V
Quick Field Plot (note scales and maximum distortion value) ( ;^>G[
Analysis > Diffraction > MTF 6$f\#TR
Freq/Calc Tab: Maximum 68, Increment 17 >p0,]-.J,r
Graphics tab: Max plot freq 68 'ey62- ^r6
Click OK (keep window open, tear off starting MTF graph for later comparison) S0gxVd(
Optimization > Automatic Design 1|!)*!hu
Output controls: Click Draw System button H~m p*S
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) rlawH}1b
Specific constraints: lKQevoy'
Click Insert Specific Constraint % ;R&cSZ
Default display is Optical Definitions, Effective Focal Length (correct choice) H?a $o(
Enter 8.25 for Constraint Target Ewq@>$_!
Click OK. H Z}Igw.Z
File > Save Lens As (new name, digcam20_opt.len) r>i95u82'
Re-run View Lens window to see new lens picture. o)n)Z~
Re-run each of the Quick Analysis windows and note scales. @V:Y%#%
Re-run the MTF window, compare to tear-off of starting point EY3F9h3xM|
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以下直接复制到命令行即可出最终结果 ;ND[+i2MN
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! Command inputs for Workshop 2-2 (for reference) U <q`f-
!Restore 20 Degree Digital Camera Lens Setup vfvp#
!FILE > OPEN n f<I
RES digcam20_start.len }&v-<qC^
!Vary all radii curvature by right clicking in LDM and selecting VARY MP<]-M'|<
!HINT: for curvatures highlight all and select vary. Then go back and qO8:|q1%;\
!freeze stop surface radius. 2<p@G#(
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 surNJ,)
!Vary all thicknesses by same method. Do not select surface with solve since bu <d>XR
!varying this surface will delete solve. If mistake, use UNDO or go to d!} oS<6
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve V=th-o3[
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 /{jt] 8/;7
THC S8 0 !Don't forget to vary the image distance which calculates best :8@eon}
!best real-ray focus from paraxial image plane &7>]# *
!Vary glass by highlighting, right clicking, and selecting Vary cQ1Axs TO
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ,Wu$@jD/ ]
!Optimize OPTIMIZATION > AUTOMATIC DESIGN njZ vi}m~
AUT 'UxI-L t
EFL Z1 = 8.25 !Effective Focal Length Constraint %#~wFW|]x
MNT 0.8 !Minimum Center Thickness General Constraint XqU Q{^;aI
MNE 0.5 !Minimum Edge Thickness General Constraint 0'.z|J g=
DRA S1..I YES !Draw a picture of lens system at each cycle .-mIU.Nwi
GO mCk_c
!Reanalyze the system. Make sure to "Tear Off" original analysis before |e+3d3T35
!re-executing to compare optimized system
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!Re-execute Drawing <H-kR\HF
VIE DTM(SN8R+n
GO oYA"8ei =
!Re-execute MTF
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MTF &!O?h/&X3
MFR 68 1#7|au%:)
IFR 17 WAR!#E#J7
GO mAGD qz>f
!Re-execute Field (Distortion) Analysis X=Ar"Dx}}s
FIE pX*E(Q)@!
GO Q&w_kz.
!Save Lens FILE > SAVE LENS AS... ]v),[]Xs
SAV digcam20_opt
