主要是看人家的操作步骤,想学命令的人请看，十分有用 < <sE`>)
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 9n " V\e_R
Display > View Lens (accept defaults, click OK, keep window open) eIJ[0c b}
In LDM spreadsheet, select surfaces 1 to Image ioWo ]
Choose Edit > Default Variables, then click in any cell to unselect the range modC6d%
Right click in each cell and choose Vary for $it @>L8
Thickness of surfaces 1, 4, 6 ^&MK42,\
Glass of surfaces 1, 4, 6 *7Xzht&f
File > Save Lens xG1?F_]
Using Quick Analysis tool bar, click… o0l7 4
Quick Spot Diagram (note scale) o<rsAe
Quick Ray Aberration Plot (note scale) n[P\*S
Quick Field Plot (note scales and maximum distortion value) Im+ 7<3Z
Analysis > Diffraction > MTF j`9Qzi1
Freq/Calc Tab: Maximum 68, Increment 17 7h`^N5H.q
Graphics tab: Max plot freq 68 P$OUi!"
Click OK (keep window open, tear off starting MTF graph for later comparison) A? r^V2+j
Optimization > Automatic Design [~)x<=H8{
Output controls: Click Draw System button G|*G9 nQ
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) s4bv;W
Specific constraints: @Z q[e
Click Insert Specific Constraint ,56;4)cv
Default display is Optical Definitions, Effective Focal Length (correct choice) g YUTt
Enter 8.25 for Constraint Target )NIv "Q
Click OK. ke]Yfwk
File > Save Lens As (new name, digcam20_opt.len) R$d7\nBG
Re-run View Lens window to see new lens picture. ?-,6< K1
Re-run each of the Quick Analysis windows and note scales. 0X>T+A[E
Re-run the MTF window, compare to tear-off of starting point =)
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以下直接复制到命令行即可出最终结果 pV=@s z,G
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! Command inputs for Workshop 2-2 (for reference) SY T$3|a
!Restore 20 Degree Digital Camera Lens Setup :j,}{)5 =
!FILE > OPEN y\,f6=%k
RES digcam20_start.len O| e}
!Vary all radii curvature by right clicking in LDM and selecting VARY RG}}Oh="v
!HINT: for curvatures highlight all and select vary. Then go back and D5L{T+}Oi%
!freeze stop surface radius. b 4OnZ;FI
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 N}mh}
!Vary all thicknesses by same method. Do not select surface with solve since esI'"hVJ
!varying this surface will delete solve. If mistake, use UNDO or go to ,Xtj;@~-
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve AY88h$a
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 cz (G]{N
THC S8 0 !Don't forget to vary the image distance which calculates best 6 64q~_@B1
!best real-ray focus from paraxial image plane 12O lrU
!Vary glass by highlighting, right clicking, and selecting Vary V|: qow:F
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 U\bC0q
!Optimize OPTIMIZATION > AUTOMATIC DESIGN vaB!R 0
AUT RRzP* A%=
EFL Z1 = 8.25 !Effective Focal Length Constraint ;s_"{f`Y6
MNT 0.8 !Minimum Center Thickness General Constraint 5v|EAjB6o
MNE 0.5 !Minimum Edge Thickness General Constraint [.-a$J[4+F
DRA S1..I YES !Draw a picture of lens system at each cycle u"Y]P* [k
GO "
" %#cDR
!Reanalyze the system. Make sure to "Tear Off" original analysis before "dtlME{Bx
!re-executing to compare optimized system t!qwxX* $T
!Re-execute Drawing ArXl=s';s4
VIE -Qb0:]sV#
GO 7 :U8 f:
!Re-execute MTF zPE$
MTF }-nU3{1
MFR 68 $5A ^'q
IFR 17 P
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GO 2 Y+:,ud\
!Re-execute Field (Distortion) Analysis }_%P6
FIE D#0O[F@l##
GO i/$SN-5}1
!Save Lens FILE > SAVE LENS AS... J-XTN"O
SAV digcam20_opt
