主要是看人家的操作步骤,想学命令的人请看，十分有用 xYYa%PhIC
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) `t)9u^[<(
Display > View Lens (accept defaults, click OK, keep window open) h{ix$Xn~
In LDM spreadsheet, select surfaces 1 to Image Y.Z:H!P);$
Choose Edit > Default Variables, then click in any cell to unselect the range },JJ!3
Right click in each cell and choose Vary for ?jlz:Z4
Thickness of surfaces 1, 4, 6 5to a@#Bc%
Glass of surfaces 1, 4, 6 L{8_6s(:
File > Save Lens sHk>ek]2I
Using Quick Analysis tool bar, click… h
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Quick Spot Diagram (note scale) pl1CPxSdO
Quick Ray Aberration Plot (note scale) `m <O!I"A
Quick Field Plot (note scales and maximum distortion value) 76<mP*5
Analysis > Diffraction > MTF sr&W+4T
Freq/Calc Tab: Maximum 68, Increment 17 81s
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Graphics tab: Max plot freq 68 -/{FGbpR;
Click OK (keep window open, tear off starting MTF graph for later comparison) [
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Optimization > Automatic Design JVy|SA&R
Output controls: Click Draw System button $VF,l#aR
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) 2 Kjd!~Z$
Specific constraints: JRFUNy1+e1
Click Insert Specific Constraint 3s%ND7!/
Default display is Optical Definitions, Effective Focal Length (correct choice) O=}Rp 1
Enter 8.25 for Constraint Target 8t* sp-cy|
Click OK. J({D~
File > Save Lens As (new name, digcam20_opt.len) I(pq3_9$
Re-run View Lens window to see new lens picture. Qm[s"pM
Re-run each of the Quick Analysis windows and note scales. eeCG#NFY5
Re-run the MTF window, compare to tear-off of starting point Q9O_>mZy
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以下直接复制到命令行即可出最终结果 ={oNY.(Q
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! Command inputs for Workshop 2-2 (for reference) o68i0aFW
!Restore 20 Degree Digital Camera Lens Setup jUA~}DVD
!FILE > OPEN d:K\W[$Bz
RES digcam20_start.len w($a'&d`0
!Vary all radii curvature by right clicking in LDM and selecting VARY [I4M K%YQ
!HINT: for curvatures highlight all and select vary. Then go back and Yr-S lO>
!freeze stop surface radius. a!: N
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CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 /^nIOAeE
!Vary all thicknesses by same method. Do not select surface with solve since JJ? rVq1g
!varying this surface will delete solve. If mistake, use UNDO or go to pIcg+~
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve {E Ay~lo
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 jj]\]6@+P
THC S8 0 !Don't forget to vary the image distance which calculates best "*t6KXVaM
!best real-ray focus from paraxial image plane ? F
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!Vary glass by highlighting, right clicking, and selecting Vary A3_p*n@
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 qD>^aEd@4
!Optimize OPTIMIZATION > AUTOMATIC DESIGN LPt9+sauf1
AUT ;NRh0)%|o
EFL Z1 = 8.25 !Effective Focal Length Constraint 3jxC}xz)
MNT 0.8 !Minimum Center Thickness General Constraint 9!Mh (KtQ
MNE 0.5 !Minimum Edge Thickness General Constraint &F~d~;G"q
DRA S1..I YES !Draw a picture of lens system at each cycle nI6om pTX
GO Zh fg
!Reanalyze the system. Make sure to "Tear Off" original analysis before <5z!0m-G
!re-executing to compare optimized system r4 *H96l
!Re-execute Drawing Pa3-0dUr
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GO
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!Re-execute MTF %`5 (SC].
MTF 4joE"H6
MFR 68 lF}@ @e)N
IFR 17 Zc~7R`v7}
GO IXa~,a H71
!Re-execute Field (Distortion) Analysis xE<H@@w
FIE G:$kGzhJ
GO hTn"/|_SW
!Save Lens FILE > SAVE LENS AS... c 1F^Gj!8
SAV digcam20_opt
