主要是看人家的操作步骤,想学命令的人请看，十分有用 Vmh$c*TE
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) Yjd /
Display > View Lens (accept defaults, click OK, keep window open) (RG "2I3
In LDM spreadsheet, select surfaces 1 to Image L, nb<
Choose Edit > Default Variables, then click in any cell to unselect the range fB,eeT1v?h
Right click in each cell and choose Vary for !io1~GpKS
Thickness of surfaces 1, 4, 6 94t`&jZ&|u
Glass of surfaces 1, 4, 6 / 7p(%vr
File > Save Lens
6Bcr.`
Using Quick Analysis tool bar, click… ~ QohP`_
Quick Spot Diagram (note scale) T:2f*!r
Quick Ray Aberration Plot (note scale) jAy2C&aP
Quick Field Plot (note scales and maximum distortion value) J6 5:MaS
Analysis > Diffraction > MTF QUvSeNSp
Freq/Calc Tab: Maximum 68, Increment 17 } snS~kx
Graphics tab: Max plot freq 68 y^n T
G
Click OK (keep window open, tear off starting MTF graph for later comparison) :2
:VMIa
Optimization > Automatic Design LayK&RwL
Output controls: Click Draw System button aot2F60J,
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ]vs}-go
Specific constraints:
-%% Xx5D
Click Insert Specific Constraint Iu`S0#+
Default display is Optical Definitions, Effective Focal Length (correct choice) JZ5 ";*,
Enter 8.25 for Constraint Target G{>P YLxOb
Click OK. xVX:kDX
File > Save Lens As (new name, digcam20_opt.len) B)L0h i
Re-run View Lens window to see new lens picture. J-uQF|
Re-run each of the Quick Analysis windows and note scales. $_TS]~y4}
Re-run the MTF window, compare to tear-off of starting point `#8k Jt
---------------------------------------------------------------------------------------------- IhZn
以下直接复制到命令行即可出最终结果 7ZyP
---------------------------------------------------------------------------------------------- BOcD?rrZ0
! Command inputs for Workshop 2-2 (for reference) %l a1-r~
!Restore 20 Degree Digital Camera Lens Setup r@v t.t0#
!FILE > OPEN j&Xx{ 4v
RES digcam20_start.len %0/qb0N&
!Vary all radii curvature by right clicking in LDM and selecting VARY T{m) = (q
!HINT: for curvatures highlight all and select vary. Then go back and %eIaH!x:
!freeze stop surface radius. TBO g.y]
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 "$o>_+U
!Vary all thicknesses by same method. Do not select surface with solve since w4}Q6_0v
!varying this surface will delete solve. If mistake, use UNDO or go to N! wuBRWR
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve B9$f y).Gp
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 xfI0P0+
THC S8 0 !Don't forget to vary the image distance which calculates best r WDD$4y
!best real-ray focus from paraxial image plane *l"CIG'
!Vary glass by highlighting, right clicking, and selecting Vary ^ E8qI8s
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ~x<?Pj
!Optimize OPTIMIZATION > AUTOMATIC DESIGN (U#
Oj"
AUT 8-k`"QI=
EFL Z1 = 8.25 !Effective Focal Length Constraint JN` $Fq+
MNT 0.8 !Minimum Center Thickness General Constraint )1Y?S;
MNE 0.5 !Minimum Edge Thickness General Constraint h!|U j
DRA S1..I YES !Draw a picture of lens system at each cycle ;fW~Gb?"
GO bolG3Tf|
!Reanalyze the system. Make sure to "Tear Off" original analysis before ;s3\Z^h4kd
!re-executing to compare optimized system hwL`9.w
!Re-execute Drawing 8Yf*vp>T/x
VIE jn(!6\n"
GO YaC[S^p
!Re-execute MTF
_(8#
MTF b)e;Q5Z(.
MFR 68 t^zE^:06
IFR 17 W SxoGly
GO L*,h=#x(
!Re-execute Field (Distortion) Analysis Z}\,rex
FIE kV T |(Y
GO 1;S?9N_B
!Save Lens FILE > SAVE LENS AS... #Y=b7|l
SAV digcam20_opt
