主要是看人家的操作步骤,想学命令的人请看，十分有用 <FIc!
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) wRn]
Display > View Lens (accept defaults, click OK, keep window open) $R3]y9`?
In LDM spreadsheet, select surfaces 1 to Image gnW `|-:\
Choose Edit > Default Variables, then click in any cell to unselect the range N/QTf1$
Right click in each cell and choose Vary for vT V'D&x2
Thickness of surfaces 1, 4, 6 5:%xuJD
Glass of surfaces 1, 4, 6
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File > Save Lens {
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Using Quick Analysis tool bar, click… *p}b_A}D
Quick Spot Diagram (note scale) k{<]J5{7
Quick Ray Aberration Plot (note scale) R _WP r[P
Quick Field Plot (note scales and maximum distortion value) $<.\,wW*'w
Analysis > Diffraction > MTF :?%$={m
Freq/Calc Tab: Maximum 68, Increment 17 =m .Lw
Graphics tab: Max plot freq 68 rmS.$h@7 m
Click OK (keep window open, tear off starting MTF graph for later comparison) v1Tla]d
Optimization > Automatic Design 0Ym+10g
Output controls: Click Draw System button ?!=yp#
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) !63p?Q=
Specific constraints: T u>5H`
Click Insert Specific Constraint JsohhkJNGi
Default display is Optical Definitions, Effective Focal Length (correct choice) duC xYhh|
Enter 8.25 for Constraint Target ~0"(C#l 9
Click OK. 0|kkwZVPn
File > Save Lens As (new name, digcam20_opt.len) n,hl6[O L7
Re-run View Lens window to see new lens picture.
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Re-run each of the Quick Analysis windows and note scales. Umx~!YL!
Re-run the MTF window, compare to tear-off of starting point 4RCD<7
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以下直接复制到命令行即可出最终结果 b(JQ>,hX
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! Command inputs for Workshop 2-2 (for reference) ocCq$%Ka
!Restore 20 Degree Digital Camera Lens Setup ME"B1 Se\
!FILE > OPEN @v^;,cu'8
RES digcam20_start.len 84v7g`lrR
!Vary all radii curvature by right clicking in LDM and selecting VARY ]hNio6CVm
!HINT: for curvatures highlight all and select vary. Then go back and EXDZehLD<]
!freeze stop surface radius. 7e[3Pu_/X
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 LpwjP4vWJ
!Vary all thicknesses by same method. Do not select surface with solve since cPD&xVwq>
!varying this surface will delete solve. If mistake, use UNDO or go to s8L=:hiSf)
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 0
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THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 Bx9R!u5D
THC S8 0 !Don't forget to vary the image distance which calculates best _m .u @+g
!best real-ray focus from paraxial image plane K Y5 it9e
!Vary glass by highlighting, right clicking, and selecting Vary }+/j /es{]
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 0c6b_%Rd
!Optimize OPTIMIZATION > AUTOMATIC DESIGN = F*SAz
AUT |>_e& }Y%L
EFL Z1 = 8.25 !Effective Focal Length Constraint FXMrD,qVg
MNT 0.8 !Minimum Center Thickness General Constraint jeb ]3i=pw
MNE 0.5 !Minimum Edge Thickness General Constraint 3@#WY vD
DRA S1..I YES !Draw a picture of lens system at each cycle }8
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GO g R7in!8
!Reanalyze the system. Make sure to "Tear Off" original analysis before \4$V ;C/n,
!re-executing to compare optimized system ]fxYS m
!Re-execute Drawing []^fb,5a
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GO =PU! hZj"L
!Re-execute MTF @ sLb=vb
MTF z~8`xn,
MFR 68 -rg >y!L
IFR 17 :wWP Eh K
GO N@}5Fnk-
!Re-execute Field (Distortion) Analysis <}Hfu-PLo
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GO T S2zzYE6Z
!Save Lens FILE > SAVE LENS AS... d\c?sYLv
SAV digcam20_opt
