主要是看人家的操作步骤,想学命令的人请看，十分有用 zu_8># i-
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Ri<u/ ]oR"
Display > View Lens (accept defaults, click OK, keep window open) ^UP`%egR
In LDM spreadsheet, select surfaces 1 to Image 0yk] o5a++
Choose Edit > Default Variables, then click in any cell to unselect the range g];!&R-
Right click in each cell and choose Vary for Kn5~d(:
Thickness of surfaces 1, 4, 6 ;AG8C#_
Glass of surfaces 1, 4, 6 ~[t[y~Hup
File > Save Lens n1Yp1"2b[
Using Quick Analysis tool bar, click… %z=le7
Quick Spot Diagram (note scale) ` 'DmDg
Quick Ray Aberration Plot (note scale) rDd oOb]B
Quick Field Plot (note scales and maximum distortion value) {&&z-^
Analysis > Diffraction > MTF 4>wP7`/+y
Freq/Calc Tab: Maximum 68, Increment 17 g9
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Graphics tab: Max plot freq 68 \j$&DCv
Click OK (keep window open, tear off starting MTF graph for later comparison) Y`~Ut:fZ
Optimization > Automatic Design '{cIAw/"n
Output controls: Click Draw System button S\CCrje
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) N=V==Dbu-
Specific constraints: LQ@"Xe]5
Click Insert Specific Constraint #|uCgdi
Default display is Optical Definitions, Effective Focal Length (correct choice) \[;0 KV_
Enter 8.25 for Constraint Target /ixp&Z|7
Click OK. 3(>B Ke
File > Save Lens As (new name, digcam20_opt.len) 0Um2DjTCG
Re-run View Lens window to see new lens picture. ^} RCoE
Re-run each of the Quick Analysis windows and note scales. iDpSj!x/_
Re-run the MTF window, compare to tear-off of starting point z<MsKD0Q
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以下直接复制到命令行即可出最终结果 2R[:]-b
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! Command inputs for Workshop 2-2 (for reference) KqHy G
!Restore 20 Degree Digital Camera Lens Setup ))q y;Q,
!FILE > OPEN esJ~;~[@(r
RES digcam20_start.len l|u>T b|V
!Vary all radii curvature by right clicking in LDM and selecting VARY })'B<vq
!HINT: for curvatures highlight all and select vary. Then go back and 5tl< 3g `
!freeze stop surface radius. ncaT?~u j
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 0 - B5`=yU
!Vary all thicknesses by same method. Do not select surface with solve since T6'^EZZY
!varying this surface will delete solve. If mistake, use UNDO or go to zrvF]|1UP
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve !hm] fh_j
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 [C Y9^N
THC S8 0 !Don't forget to vary the image distance which calculates best ~]sc^[
!best real-ray focus from paraxial image plane P?%s
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!Vary glass by highlighting, right clicking, and selecting Vary ___~D
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 2_>N/Z4T
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ~?l |
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AUT Jx :Y-$
EFL Z1 = 8.25 !Effective Focal Length Constraint QRw"H 8nW
MNT 0.8 !Minimum Center Thickness General Constraint C2!|OQ9A2
MNE 0.5 !Minimum Edge Thickness General Constraint Z* F3G#A
DRA S1..I YES !Draw a picture of lens system at each cycle Lw1Yvtn
GO G0Iw-vf
!Reanalyze the system. Make sure to "Tear Off" original analysis before wH*-(*N "
!re-executing to compare optimized system d z|or9&
!Re-execute Drawing BT !^~S%w
VIE 1Yq! ~ 8
GO b 1c y$I
!Re-execute MTF ?4Y GT
MTF ;[ZEDF5H
MFR 68 @@f"%2ZR[
IFR 17 "MeVE#O
GO `>o{P/ HN
!Re-execute Field (Distortion) Analysis 8|gIhpO?^
FIE 9+|$$)
GO U4'#T%*
!Save Lens FILE > SAVE LENS AS... $t +,Tav
SAV digcam20_opt
