主要是看人家的操作步骤,想学命令的人请看，十分有用 5ir
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) /~~A2.= .
Display > View Lens (accept defaults, click OK, keep window open) / {Mo'.=Z
In LDM spreadsheet, select surfaces 1 to Image 27J !oin$
Choose Edit > Default Variables, then click in any cell to unselect the range HKp|I%b]J
Right click in each cell and choose Vary for @I"&k!e<2
Thickness of surfaces 1, 4, 6 nw S @r
Glass of surfaces 1, 4, 6 `)~]3zmG
File > Save Lens }Wl m#t
Using Quick Analysis tool bar, click… f4 k
Quick Spot Diagram (note scale) H2kib4^i
Quick Ray Aberration Plot (note scale) P K+rr.k]
Quick Field Plot (note scales and maximum distortion value) a_Sp}s<J
Analysis > Diffraction > MTF tq$L* ++O
Freq/Calc Tab: Maximum 68, Increment 17 4 t
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Graphics tab: Max plot freq 68 Jn7T5$pJ
Click OK (keep window open, tear off starting MTF graph for later comparison) [x%[N)U3
Optimization > Automatic Design h*>%ou
Output controls: Click Draw System button \1Xr4H
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General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) (n{x"rLy/
Specific constraints: M}fk[Yr>
Click Insert Specific Constraint ^ YOC HXg
Default display is Optical Definitions, Effective Focal Length (correct choice) d vAG}<
Enter 8.25 for Constraint Target ]J1oY]2~
Click OK. y`,;m#frT
File > Save Lens As (new name, digcam20_opt.len) ^%n]_[RUn4
Re-run View Lens window to see new lens picture. *O|_)G
Re-run each of the Quick Analysis windows and note scales. tgyW:<iv
Re-run the MTF window, compare to tear-off of starting point @>fsg-|
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以下直接复制到命令行即可出最终结果 .} O@<t
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! Command inputs for Workshop 2-2 (for reference) HK L/ D
!Restore 20 Degree Digital Camera Lens Setup 'Z*`~,Q
!FILE > OPEN PZ >(cvX&
RES digcam20_start.len #My14u
!Vary all radii curvature by right clicking in LDM and selecting VARY l "zA~W/
!HINT: for curvatures highlight all and select vary. Then go back and ;9CbioO
!freeze stop surface radius. q4#$ca[_ak
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 UY6aD~tD0
!Vary all thicknesses by same method. Do not select surface with solve since 5jq @ nq6
!varying this surface will delete solve. If mistake, use UNDO or go to A` ~R\ j
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 2$OV`qy@?
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 v,'k 2H
THC S8 0 !Don't forget to vary the image distance which calculates best w/z o
!best real-ray focus from paraxial image plane 2YDD`:R
!Vary glass by highlighting, right clicking, and selecting Vary pwH*&YU
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 =Vm 3f ^
!Optimize OPTIMIZATION > AUTOMATIC DESIGN t`1M}}.
AUT a&Qr7tT Y"
EFL Z1 = 8.25 !Effective Focal Length Constraint =2t=Zyp0Y
MNT 0.8 !Minimum Center Thickness General Constraint p* j>s \
MNE 0.5 !Minimum Edge Thickness General Constraint 7W'&v+\
DRA S1..I YES !Draw a picture of lens system at each cycle ZO!h!2*
GO %[, R Q">v
!Reanalyze the system. Make sure to "Tear Off" original analysis before -5oYGLS$y3
!re-executing to compare optimized system /X]gm\x7s
!Re-execute Drawing ppo.# p0w
VIE w`DcnQK'
GO :_,a%hb+8
!Re-execute MTF 9u)p9)^-.v
MTF fH@ cC`
MFR 68 Q'ZZQ
IFR 17 <.#jp([W>
GO O{7 rIy
!Re-execute Field (Distortion) Analysis <5E)6c_W)
FIE xM=ydRu
GO GEv x<:
!Save Lens FILE > SAVE LENS AS... Q<NQ9lX
SAV digcam20_opt
