主要是看人家的操作步骤,想学命令的人请看，十分有用 6;9SU+/
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ]$!-%pNv
Display > View Lens (accept defaults, click OK, keep window open) `omZ'n)
In LDM spreadsheet, select surfaces 1 to Image `$SX%AZA
Choose Edit > Default Variables, then click in any cell to unselect the range 3|-)]^1O
Right click in each cell and choose Vary for E KhwrBjS
Thickness of surfaces 1, 4, 6 E(*RtOC<W
Glass of surfaces 1, 4, 6 QNJ )HN Lp
File > Save Lens /=A^@&:_#
Using Quick Analysis tool bar, click… m^@,0\F
Quick Spot Diagram (note scale) 7"w r8
Quick Ray Aberration Plot (note scale) i&$L$zf,
Quick Field Plot (note scales and maximum distortion value) +DaP XZ5.
Analysis > Diffraction > MTF ie{9zO<d
Freq/Calc Tab: Maximum 68, Increment 17 qk{2%,u$@{
Graphics tab: Max plot freq 68 Z{x m(^'i
Click OK (keep window open, tear off starting MTF graph for later comparison) \-$wY%7
Optimization > Automatic Design R2yiExw<
Output controls: Click Draw System button 7RM$%'n \
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) g"c\o uSY
Specific constraints: uV`r_P
Click Insert Specific Constraint v^0D
Default display is Optical Definitions, Effective Focal Length (correct choice) f/&gR5
Enter 8.25 for Constraint Target `WGT`A"
Click OK. _Je<_pl!D
File > Save Lens As (new name, digcam20_opt.len) I9rWut @+
Re-run View Lens window to see new lens picture. "VR>nyG%
Re-run each of the Quick Analysis windows and note scales. aF GEHZJQ
Re-run the MTF window, compare to tear-off of starting point S*VG;m #
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以下直接复制到命令行即可出最终结果 P!3)-apP\
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! Command inputs for Workshop 2-2 (for reference) k#NIY4%.
!Restore 20 Degree Digital Camera Lens Setup "MQy>mD6
!FILE > OPEN S B0Cq
RES digcam20_start.len Z5/^pyc
!Vary all radii curvature by right clicking in LDM and selecting VARY 8+5 # FC7
!HINT: for curvatures highlight all and select vary. Then go back and rrbD0UzFA
!freeze stop surface radius. @(M-ZO!D
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 $ OB 2ZS"
!Vary all thicknesses by same method. Do not select surface with solve since N}Q%y(O^
!varying this surface will delete solve. If mistake, use UNDO or go to UJMM &
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve /#lhRNX
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 0F> ils
THC S8 0 !Don't forget to vary the image distance which calculates best 8Y?z xmwn]
!best real-ray focus from paraxial image plane 8'[g?
!Vary glass by highlighting, right clicking, and selecting Vary 8 9o&KF]
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 _b|mSo,{Y
!Optimize OPTIMIZATION > AUTOMATIC DESIGN hAX@|G.
AUT k k#%x#L[
EFL Z1 = 8.25 !Effective Focal Length Constraint &u&+:m
MNT 0.8 !Minimum Center Thickness General Constraint ~ (bY-6z
MNE 0.5 !Minimum Edge Thickness General Constraint o~<Xc
DRA S1..I YES !Draw a picture of lens system at each cycle + 2 v6fan
GO ;]!QLO.bs^
!Reanalyze the system. Make sure to "Tear Off" original analysis before {2 l35K=
!re-executing to compare optimized system V,:^@ 7d
!Re-execute Drawing n]:Xmi8p
VIE '[(]62j
GO g<U\7Vp\1
!Re-execute MTF V&)Jvx}^
MTF 4'u +%6+__
MFR 68 IlN: NS
IFR 17 0%J0.USkM7
GO VF[$hs
!Re-execute Field (Distortion) Analysis ZD!? mR+-
FIE -#@l`kt
GO c"D%c(:4|
!Save Lens FILE > SAVE LENS AS... N~NUBEKcp
SAV digcam20_opt
