主要是看人家的操作步骤,想学命令的人请看，十分有用 l ! ZzJ&
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) l I2UpfkBP
Display > View Lens (accept defaults, click OK, keep window open) <)o xs ]<
In LDM spreadsheet, select surfaces 1 to Image o_ r{cnu
Choose Edit > Default Variables, then click in any cell to unselect the range FV%|*JW[;N
Right click in each cell and choose Vary for @Y#TWt#
Thickness of surfaces 1, 4, 6 J$-1odL0Z
Glass of surfaces 1, 4, 6 i'}"5O+
File > Save Lens xFyBF[c
Using Quick Analysis tool bar, click… y tTppmJF
Quick Spot Diagram (note scale) zoj
w^%W
Quick Ray Aberration Plot (note scale) N<QLvZh
Quick Field Plot (note scales and maximum distortion value) $-gRD|oY
Analysis > Diffraction > MTF H)K. 2Q
Freq/Calc Tab: Maximum 68, Increment 17 y <P1VES
Graphics tab: Max plot freq 68 Ua+Us" M3}
Click OK (keep window open, tear off starting MTF graph for later comparison) v&` n}lS
Optimization > Automatic Design ,MD >Jx|
Output controls: Click Draw System button T=fVD8
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) CDDEWVd
Specific constraints: ]jV 1/vJ-!
Click Insert Specific Constraint RR>G}u9 np
Default display is Optical Definitions, Effective Focal Length (correct choice) Sbj{)
Enter 8.25 for Constraint Target dkZ[~hEQG-
Click OK. ?q"9ZYX<
File > Save Lens As (new name, digcam20_opt.len) C0L(ti;
Re-run View Lens window to see new lens picture. O ! w&3 p
Re-run each of the Quick Analysis windows and note scales. 4*Z>-<W=
Re-run the MTF window, compare to tear-off of starting point sA+( |cEh
---------------------------------------------------------------------------------------------- p0HcuB)Y
以下直接复制到命令行即可出最终结果 7Y^2JlZu=
----------------------------------------------------------------------------------------------
0|? DA12Z
! Command inputs for Workshop 2-2 (for reference) Chtls;Ph[
!Restore 20 Degree Digital Camera Lens Setup mMad1qCi7
!FILE > OPEN >
!WFY
RES digcam20_start.len M5+K[Ir/y9
!Vary all radii curvature by right clicking in LDM and selecting VARY ['l} *
!HINT: for curvatures highlight all and select vary. Then go back and @T{I;8S
!freeze stop surface radius. WQHlf 0]
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 wr2F]1bh@
!Vary all thicknesses by same method. Do not select surface with solve since /fxv^C82yv
!varying this surface will delete solve. If mistake, use UNDO or go to N'8}5Kx5
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve hle@= e/n
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 _u;34H&/
THC S8 0 !Don't forget to vary the image distance which calculates best _"qX6Jc
!best real-ray focus from paraxial image plane _i0,?U2C
!Vary glass by highlighting, right clicking, and selecting Vary E D_J8 +
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 {-s7_\|p(
!Optimize OPTIMIZATION > AUTOMATIC DESIGN Il!#]
AUT >orDw3xC
EFL Z1 = 8.25 !Effective Focal Length Constraint ~Yl%{1
MNT 0.8 !Minimum Center Thickness General Constraint Yd<q4VJR
MNE 0.5 !Minimum Edge Thickness General Constraint "C]_pWk
DRA S1..I YES !Draw a picture of lens system at each cycle S&~;l/
GO *l'5z)]
!Reanalyze the system. Make sure to "Tear Off" original analysis before {c=H#- A
!re-executing to compare optimized system |A:+[35
!Re-execute Drawing m[& pR2T
VIE N#vV;
GO .T7S1C $HP
!Re-execute MTF MT.D#jv&
MTF
aP +)
MFR 68 uh~,>~a|
IFR 17 K$ ~Ja
GO )}T0 SGY
!Re-execute Field (Distortion) Analysis CGCSfoS9f
FIE [f-<M@id/
GO QCvst*
!Save Lens FILE > SAVE LENS AS... |FZIUS{]
SAV digcam20_opt
