主要是看人家的操作步骤,想学命令的人请看，十分有用 c?REDj2
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 0s\ -iub=d
Display > View Lens (accept defaults, click OK, keep window open) M 'F <1(
In LDM spreadsheet, select surfaces 1 to Image /+8VW;4|I
Choose Edit > Default Variables, then click in any cell to unselect the range e`q*'u1?
Right click in each cell and choose Vary for *N }$~N
Thickness of surfaces 1, 4, 6 y7%SHYC p[
Glass of surfaces 1, 4, 6 .wyuB;:
File > Save Lens ~sPXkLqK
Using Quick Analysis tool bar, click…
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Quick Spot Diagram (note scale) e s~1@Jb
Quick Ray Aberration Plot (note scale) p \9}}t7n
Quick Field Plot (note scales and maximum distortion value) 8R:Glif
Analysis > Diffraction > MTF 1N:~5S}s>
Freq/Calc Tab: Maximum 68, Increment 17 t`R{N1
Graphics tab: Max plot freq 68 M_ >kefr
Click OK (keep window open, tear off starting MTF graph for later comparison) Wq "-T.i
Optimization > Automatic Design `@v;QLD"d<
Output controls: Click Draw System button ^E:-Uy
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) xR|^{y9n
Specific constraints: c!'\k,ma<9
Click Insert Specific Constraint k7;i^$@c
Default display is Optical Definitions, Effective Focal Length (correct choice) T ,rRE7
Enter 8.25 for Constraint Target r4DHALu#)
Click OK. VJFFH\!`
File > Save Lens As (new name, digcam20_opt.len) xU Cq%r_
Re-run View Lens window to see new lens picture. S bzJeaZv
Re-run each of the Quick Analysis windows and note scales. RA;/ ?l
Re-run the MTF window, compare to tear-off of starting point [t$ r)vX
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以下直接复制到命令行即可出最终结果 R/*"N'nH-%
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! Command inputs for Workshop 2-2 (for reference) j"aY\cLr t
!Restore 20 Degree Digital Camera Lens Setup BV
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!FILE > OPEN E_D Q.!U!o
RES digcam20_start.len c:&8B/
!Vary all radii curvature by right clicking in LDM and selecting VARY &q9= 0So4\
!HINT: for curvatures highlight all and select vary. Then go back and nk7>iK!i
!freeze stop surface radius. x kax
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 F",TP,X
!Vary all thicknesses by same method. Do not select surface with solve since iyd$_CJ z
!varying this surface will delete solve. If mistake, use UNDO or go to q=D8 Nz
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve u[Si=)`VPk
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 D~U RY_[A
THC S8 0 !Don't forget to vary the image distance which calculates best C "B'Dj
!best real-ray focus from paraxial image plane p<#aXs jy
!Vary glass by highlighting, right clicking, and selecting Vary R!
On
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Y:L[Iz95o
!Optimize OPTIMIZATION > AUTOMATIC DESIGN _cj=}!I
AUT _ DT,iF*6
EFL Z1 = 8.25 !Effective Focal Length Constraint DR:DXJc
MNT 0.8 !Minimum Center Thickness General Constraint G5 K?Q+n
MNE 0.5 !Minimum Edge Thickness General Constraint &qWB\m
DRA S1..I YES !Draw a picture of lens system at each cycle D, [Nn_N
GO II| ;_j
!Reanalyze the system. Make sure to "Tear Off" original analysis before @ =~k[o
!re-executing to compare optimized system N N1}P'6Ha
!Re-execute Drawing J:gC1g^
VIE _ SOwiz
GO #+ V4<o
!Re-execute MTF VltM{-k^
MTF cs.t#C
MFR 68 T!B\ixt6
IFR 17 VHMQY*lk
GO >1;jBx>Qy%
!Re-execute Field (Distortion) Analysis lS7L|
FIE H!u8+
GO 6 U[VoUU
!Save Lens FILE > SAVE LENS AS... la w$LL
SAV digcam20_opt
