主要是看人家的操作步骤,想学命令的人请看，十分有用 .et ^4V3
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 'e@=^FC
Display > View Lens (accept defaults, click OK, keep window open) LnFWA0y
In LDM spreadsheet, select surfaces 1 to Image nN aXp*J
Choose Edit > Default Variables, then click in any cell to unselect the range &:3Z.G
Right click in each cell and choose Vary for C!& y
Thickness of surfaces 1, 4, 6 \4{2eU
Glass of surfaces 1, 4, 6 KKEN'-3
File > Save Lens I% "'*7 U
Using Quick Analysis tool bar, click… # ? ?%B
Quick Spot Diagram (note scale) f:wd&V
Quick Ray Aberration Plot (note scale) v+=k-;-
Quick Field Plot (note scales and maximum distortion value) Y] N,.pv=
Analysis > Diffraction > MTF ?WpenUWk
Freq/Calc Tab: Maximum 68, Increment 17 ]|U-y6 45
Graphics tab: Max plot freq 68 .A6lj).:
Click OK (keep window open, tear off starting MTF graph for later comparison) <G ~>~L.E
Optimization > Automatic Design KrcgIB8X
Output controls: Click Draw System button ? 2#(jZ# 2
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) y'} O)lO1
Specific constraints: VK:8 Nk_y
Click Insert Specific Constraint 8K{ [2O7i)
Default display is Optical Definitions, Effective Focal Length (correct choice) .Cz %:%9
Enter 8.25 for Constraint Target QI}E4-s8
Click OK. Xsuwa-G!5~
File > Save Lens As (new name, digcam20_opt.len) Pc_VY>Ty
Re-run View Lens window to see new lens picture. 2i7e#
Re-run each of the Quick Analysis windows and note scales. m C[UXN/
Re-run the MTF window, compare to tear-off of starting point 7dOyxr"H-
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以下直接复制到命令行即可出最终结果 P0Z! ?`e=M
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! Command inputs for Workshop 2-2 (for reference) -#s [F S
!Restore 20 Degree Digital Camera Lens Setup M4m$\~zf
!FILE > OPEN ymN!-x8q>'
RES digcam20_start.len PRB{VC<k
!Vary all radii curvature by right clicking in LDM and selecting VARY )]43R
!HINT: for curvatures highlight all and select vary. Then go back and Sw[{JB;y,
!freeze stop surface radius. k2 Q
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 xV\5<7qk5g
!Vary all thicknesses by same method. Do not select surface with solve since }{[mrG
!varying this surface will delete solve. If mistake, use UNDO or go to {ZsdLF#
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve T=Z.TG|lIx
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 l 2jF#<S@
THC S8 0 !Don't forget to vary the image distance which calculates best %Ym^ {N
!best real-ray focus from paraxial image plane Te,$M3|
!Vary glass by highlighting, right clicking, and selecting Vary 1.U`D\7mb
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 51B lM%
!Optimize OPTIMIZATION > AUTOMATIC DESIGN :dI\z]Y(
AUT q,>?QBct*
EFL Z1 = 8.25 !Effective Focal Length Constraint "xJ 0 vlw
MNT 0.8 !Minimum Center Thickness General Constraint t*XN_=E$f
MNE 0.5 !Minimum Edge Thickness General Constraint o@bNpflb`
DRA S1..I YES !Draw a picture of lens system at each cycle u3 0s_\
GO tBATZ0nK`Q
!Reanalyze the system. Make sure to "Tear Off" original analysis before zDTv\3rZ4X
!re-executing to compare optimized system &>g'$a< [
!Re-execute Drawing bM,1 f/^
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GO 5Por "&%
!Re-execute MTF 5N[9
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MTF Ev"|FTI/
MFR 68 ?:{sH#ua
IFR 17 PQN@Ja D
GO v "& p Q
!Re-execute Field (Distortion) Analysis <S75($
FIE !k3e\v|
GO VZ&
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!Save Lens FILE > SAVE LENS AS... 7JJ/D4uT
SAV digcam20_opt
