主要是看人家的操作步骤,想学命令的人请看,十分有用 2J|Wbey
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) /$%apci8
Display > View Lens (accept defaults, click OK, keep window open) U9SByqa1
In LDM spreadsheet, select surfaces 1 to Image Wepa;
Choose Edit > Default Variables, then click in any cell to unselect the range =xw) [
Right click in each cell and choose Vary for a^@6hC>sr
Thickness of surfaces 1, 4, 6 "/(J*)%{
Glass of surfaces 1, 4, 6 2Vr F~+
File > Save Lens 8)\ ?6C
Using Quick Analysis tool bar, click… /Pxt f~$
Quick Spot Diagram (note scale) KWLI7fTgj$
Quick Ray Aberration Plot (note scale) HKP<=<8/O
Quick Field Plot (note scales and maximum distortion value) }~:`9PV)Z%
Analysis > Diffraction > MTF MIsjTKE
Freq/Calc Tab: Maximum 68, Increment 17 Z7V1e<E
Graphics tab: Max plot freq 68 (ye1t96
Click OK (keep window open, tear off starting MTF graph for later comparison) ^Cst4=:W
Optimization > Automatic Design
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Output controls: Click Draw System button _Q t
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 2!QJa=
Specific constraints: :3gtc/p t>
Click Insert Specific Constraint ,j:`yB]4,
Default display is Optical Definitions, Effective Focal Length (correct choice) ^{T]sv
Enter 8.25 for Constraint Target LS}u6\(
Click OK. ey _3ah3x
File > Save Lens As (new name, digcam20_opt.len)
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Re-run View Lens window to see new lens picture. 0>6J -
Re-run each of the Quick Analysis windows and note scales. `k+ci7;
Re-run the MTF window, compare to tear-off of starting point 4[44Eku\
---------------------------------------------------------------------------------------------- Eh^c4x
以下直接复制到命令行即可出最终结果 @!=q.4b
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! Command inputs for Workshop 2-2 (for reference) )>QpR8
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!Restore 20 Degree Digital Camera Lens Setup >=G;rs
!FILE > OPEN M2W4 RovfR
RES digcam20_start.len ve49m%NQ
!Vary all radii curvature by right clicking in LDM and selecting VARY &xo_93
!HINT: for curvatures highlight all and select vary. Then go back and Cvry8B
!freeze stop surface radius. -y|>#`T/
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 &G\Vn,1v
!Vary all thicknesses by same method. Do not select surface with solve since s /"&k
!varying this surface will delete solve. If mistake, use UNDO or go to U>H"N1
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve n`8BE9h^
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 6!sC
THC S8 0 !Don't forget to vary the image distance which calculates best v6uR[18
!best real-ray focus from paraxial image plane 4W5[1GE.
!Vary glass by highlighting, right clicking, and selecting Vary 3k(A&]~v
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 s1.EE|h,5
!Optimize OPTIMIZATION > AUTOMATIC DESIGN RZoSP(6
AUT J~Uq'1?
EFL Z1 = 8.25 !Effective Focal Length Constraint /'' |bIPa
MNT 0.8 !Minimum Center Thickness General Constraint S~()A*5
MNE 0.5 !Minimum Edge Thickness General Constraint BpBMFEiP
DRA S1..I YES !Draw a picture of lens system at each cycle "yJFb=Xdq
GO Rsd~t_a1
!Reanalyze the system. Make sure to "Tear Off" original analysis before ~Ap.#VIc'
!re-executing to compare optimized system akATwSrU
!Re-execute Drawing a> qB
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GO PvF3a`&r
!Re-execute MTF ?*cr|G$r[
MTF WVyk?SBw
MFR 68 OIJNOu I
IFR 17 =hFIH\x
GO znnnqR0us
!Re-execute Field (Distortion) Analysis RT`.S
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FIE o]/*YaB2>
GO AK$&'t+$}7
!Save Lens FILE > SAVE LENS AS... "QSmxr
SAV digcam20_opt