主要是看人家的操作步骤,想学命令的人请看，十分有用 8 v ZY+Q >
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) #Q]^9/;|4n
Display > View Lens (accept defaults, click OK, keep window open) svaclkT=
In LDM spreadsheet, select surfaces 1 to Image LmZ"_
Choose Edit > Default Variables, then click in any cell to unselect the range joRrsxFU
Right click in each cell and choose Vary for V0/PjD,jP
Thickness of surfaces 1, 4, 6 +_T`tmQ
Glass of surfaces 1, 4, 6 SWLt5dV
File > Save Lens {@&%Bq*&
Using Quick Analysis tool bar, click… +T/T \[
Quick Spot Diagram (note scale) -cONC9 =
Quick Ray Aberration Plot (note scale) M b^E
Quick Field Plot (note scales and maximum distortion value) MS~+P '
Analysis > Diffraction > MTF ~PtIq.BY
Freq/Calc Tab: Maximum 68, Increment 17 `3e>JIl"0
Graphics tab: Max plot freq 68 PB(q9gf"1}
Click OK (keep window open, tear off starting MTF graph for later comparison) 7C>5XyyJ
Optimization > Automatic Design B n fp_SM
Output controls: Click Draw System button RYyM;<9F
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) SjL&\),
Specific constraints: 6Bf aB:
Click Insert Specific Constraint $ X_A 74 (
Default display is Optical Definitions, Effective Focal Length (correct choice) | zyO;
Enter 8.25 for Constraint Target /wX5>^
Click OK. 'JRYf;9c
File > Save Lens As (new name, digcam20_opt.len) o()No_.8H
Re-run View Lens window to see new lens picture. tJvs
?eZ)
Re-run each of the Quick Analysis windows and note scales. : V!F ~
Re-run the MTF window, compare to tear-off of starting point M~ku4ZP
---------------------------------------------------------------------------------------------- "qdEu KI
以下直接复制到命令行即可出最终结果 o JX4+u J
---------------------------------------------------------------------------------------------- i F*L-
! Command inputs for Workshop 2-2 (for reference) ]2
!Restore 20 Degree Digital Camera Lens Setup wZ%a:Z4TcM
!FILE > OPEN v+vM:At4
RES digcam20_start.len j[${h, p?
!Vary all radii curvature by right clicking in LDM and selecting VARY xO{$6M3-~
!HINT: for curvatures highlight all and select vary. Then go back and $]<wQH/?_
!freeze stop surface radius. ?J ,K[.z
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 XM57 UG
!Vary all thicknesses by same method. Do not select surface with solve since ?`/DFI' _G
!varying this surface will delete solve. If mistake, use UNDO or go to -R-yr.$j*
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve e|d~ &Bk0
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 phi9/tO\u
THC S8 0 !Don't forget to vary the image distance which calculates best a797'{j#PI
!best real-ray focus from paraxial image plane I h <.2
!Vary glass by highlighting, right clicking, and selecting Vary yA]OX" T?*
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Q*ixg$>
!Optimize OPTIMIZATION > AUTOMATIC DESIGN
rK[;wD<
AUT A4daIhP
(
EFL Z1 = 8.25 !Effective Focal Length Constraint [?55vYt
MNT 0.8 !Minimum Center Thickness General Constraint ;R([w4[~
MNE 0.5 !Minimum Edge Thickness General Constraint J3XrlSc
DRA S1..I YES !Draw a picture of lens system at each cycle )Ah 7
GO ~X<?&; 6
!Reanalyze the system. Make sure to "Tear Off" original analysis before Yy'CBIq#f
!re-executing to compare optimized system (>SucUU
!Re-execute Drawing 9 UCA&n
VIE )l H` a
GO Vr:`?V9Q2(
!Re-execute MTF b ;>?m
MTF 9/h[(qvT
MFR 68 !;Vqs/E
IFR 17 oTg
'N
GO z#B(1uI
!Re-execute Field (Distortion) Analysis %J8uVD. 2
FIE tu' s]3RE
GO E1s~ +
!Save Lens FILE > SAVE LENS AS... snYyxi
SAV digcam20_opt
