主要是看人家的操作步骤,想学命令的人请看，十分有用 H
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File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) BH;7CK=7R
Display > View Lens (accept defaults, click OK, keep window open) i!nPiac
In LDM spreadsheet, select surfaces 1 to Image ",O}{z
Choose Edit > Default Variables, then click in any cell to unselect the range (>)f#t[9 J
Right click in each cell and choose Vary for d v7IHUFf
Thickness of surfaces 1, 4, 6 QIb4ghm,
Glass of surfaces 1, 4, 6 .dE2,9{Z
File > Save Lens ;$FpxurX
Using Quick Analysis tool bar, click… [(81-j1v
Quick Spot Diagram (note scale) 8T]x4JQ0
Quick Ray Aberration Plot (note scale) mh$ Nwr/W:
Quick Field Plot (note scales and maximum distortion value) $D%[}[2
Analysis > Diffraction > MTF _+0Q Q{'N
Freq/Calc Tab: Maximum 68, Increment 17 8am/5o
Graphics tab: Max plot freq 68 sI,S(VWor
Click OK (keep window open, tear off starting MTF graph for later comparison) { = Y3[
Optimization > Automatic Design /4xp?Lo:
Output controls: Click Draw System button 6xC$R q
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) <\6< -x(H5
Specific constraints:
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Click Insert Specific Constraint f 8AgTw,K8
Default display is Optical Definitions, Effective Focal Length (correct choice) QPZ|C{Ce
Enter 8.25 for Constraint Target 4UV6'X)V
Click OK. s9 \HjK*+
File > Save Lens As (new name, digcam20_opt.len) IPTEOA<M[
Re-run View Lens window to see new lens picture. m|8ljXX
Re-run each of the Quick Analysis windows and note scales. $Y 3mO ~
Re-run the MTF window, compare to tear-off of starting point jn:9Cr,o;g
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以下直接复制到命令行即可出最终结果 nyRQ/.3
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! Command inputs for Workshop 2-2 (for reference) =)O%5<Lwx
!Restore 20 Degree Digital Camera Lens Setup N5%Cwl6i
!FILE > OPEN 4\rw JD<
RES digcam20_start.len 6~O9|s^38w
!Vary all radii curvature by right clicking in LDM and selecting VARY QVq+'; c G
!HINT: for curvatures highlight all and select vary. Then go back and uB*Y}"Fn
!freeze stop surface radius. {wS)M
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 [(d))(M$|
!Vary all thicknesses by same method. Do not select surface with solve since loR,f&80=O
!varying this surface will delete solve. If mistake, use UNDO or go to e^ ZxU/e
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve c:OFBVZ
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 VKtZyhK"h
THC S8 0 !Don't forget to vary the image distance which calculates best g UAx8=h
!best real-ray focus from paraxial image plane ~ MZEAY9
!Vary glass by highlighting, right clicking, and selecting Vary #ts;s \!
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 P- 2 5]-
!Optimize OPTIMIZATION > AUTOMATIC DESIGN rd\: .
AUT =,HxtPJ
EFL Z1 = 8.25 !Effective Focal Length Constraint !h[xeLlU
MNT 0.8 !Minimum Center Thickness General Constraint [>#@?@x`P
MNE 0.5 !Minimum Edge Thickness General Constraint 9 `8D Ga
DRA S1..I YES !Draw a picture of lens system at each cycle ~Ih LjE
GO tOEY|
!Reanalyze the system. Make sure to "Tear Off" original analysis before !\(j[d#
!re-executing to compare optimized system /ZpwJc`e
!Re-execute Drawing lBN1OL[N
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GO 4eh~/o&h
!Re-execute MTF Uif uRmn
MTF $bd ti D
MFR 68 !STa}wl
IFR 17 r }%2;! T
GO ,%!E-gr
!Re-execute Field (Distortion) Analysis |9& bkojo
FIE a|u&N:v7B
GO uNoP8U%*
!Save Lens FILE > SAVE LENS AS... ]@G$ L,3
SAV digcam20_opt
