主要是看人家的操作步骤,想学命令的人请看，十分有用 1.hWgW DP
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 1S{Biqi+
Display > View Lens (accept defaults, click OK, keep window open) n1[c\1
In LDM spreadsheet, select surfaces 1 to Image b)w cGBS
Choose Edit > Default Variables, then click in any cell to unselect the range m5Bf<E,c
Right click in each cell and choose Vary for !MbzFs~
Thickness of surfaces 1, 4, 6 qxL\G &~
Glass of surfaces 1, 4, 6 3JazQU
File > Save Lens ,Oo`*'a[o7
Using Quick Analysis tool bar, click… I-#H+\S
Quick Spot Diagram (note scale) 7ZcF0h
Quick Ray Aberration Plot (note scale) z^Hc'oVXj:
Quick Field Plot (note scales and maximum distortion value) \#sD`O
Analysis > Diffraction > MTF 2"/MM2s
Freq/Calc Tab: Maximum 68, Increment 17 1gI7$y+?
Graphics tab: Max plot freq 68 G gO5=|
Click OK (keep window open, tear off starting MTF graph for later comparison) 3?OQ -7,
Optimization > Automatic Design ( d9~z
Output controls: Click Draw System button 5LeZ ?'"c
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default)
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Specific constraints: WM bkKC.{J
Click Insert Specific Constraint _&KqmQ8$7
Default display is Optical Definitions, Effective Focal Length (correct choice) ) u?f| D
Enter 8.25 for Constraint Target pEyZH !W
Click OK. K#"=*p,
File > Save Lens As (new name, digcam20_opt.len) V Ro&1:
Re-run View Lens window to see new lens picture. y\Wn:RR1 [
Re-run each of the Quick Analysis windows and note scales. b,!C8rJ
Re-run the MTF window, compare to tear-off of starting point !-I,Dh-A
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以下直接复制到命令行即可出最终结果 a@}.96lStD
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! Command inputs for Workshop 2-2 (for reference) xC76jE4
!Restore 20 Degree Digital Camera Lens Setup ,0'G HQWz$
!FILE > OPEN 8}%F`=Y0
RES digcam20_start.len !z?
!Vary all radii curvature by right clicking in LDM and selecting VARY RB>= #03
!HINT: for curvatures highlight all and select vary. Then go back and Ou[K7-m%&
!freeze stop surface radius. ]4~Yi1]
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0
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!Vary all thicknesses by same method. Do not select surface with solve since 2- i Y:r
!varying this surface will delete solve. If mistake, use UNDO or go to e02Hf{eOfw
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve HcRw9,I'
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 7w
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THC S8 0 !Don't forget to vary the image distance which calculates best (3e.q'
!best real-ray focus from paraxial image plane ,GOIg|51
!Vary glass by highlighting, right clicking, and selecting Vary t FU4%c7V
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 *tjaac;z<J
!Optimize OPTIMIZATION > AUTOMATIC DESIGN GrF4*I` q
AUT "&L8d(ZuA
EFL Z1 = 8.25 !Effective Focal Length Constraint KpN]9d
MNT 0.8 !Minimum Center Thickness General Constraint HwU9 y
MNE 0.5 !Minimum Edge Thickness General Constraint XJul~"
DRA S1..I YES !Draw a picture of lens system at each cycle # N{]
GO KXKT5E$
!Reanalyze the system. Make sure to "Tear Off" original analysis before n6O z[7M
!re-executing to compare optimized system =7!s 8D,[
!Re-execute Drawing A}fm).W p@
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GO py6<QoGV
!Re-execute MTF 0 kJ8H!~u
MTF .zb
MFR 68 _\AQJ?< M
IFR 17 .Ys
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GO -TD\?Q
!Re-execute Field (Distortion) Analysis i)l 0[FNI}
FIE &M- vKc"d
GO ^y,h0?Z 9
!Save Lens FILE > SAVE LENS AS... V|Bwle
SAV digcam20_opt
