主要是看人家的操作步骤,想学命令的人请看，十分有用 h*y+qk-!\g
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) \ ;]{`
Display > View Lens (accept defaults, click OK, keep window open) tb oQn~&4
In LDM spreadsheet, select surfaces 1 to Image Kv1~ ,j6
Choose Edit > Default Variables, then click in any cell to unselect the range SXl~lYUL
Right click in each cell and choose Vary for SD*q+Si,1U
Thickness of surfaces 1, 4, 6 u d)WH|Z
Glass of surfaces 1, 4, 6 S]%,g%6i
File > Save Lens Ce OA_M
Using Quick Analysis tool bar, click… j3% Wrt
Quick Spot Diagram (note scale) w+j\Py_G"
Quick Ray Aberration Plot (note scale) Z@x&
Quick Field Plot (note scales and maximum distortion value) 03|nP$g
Analysis > Diffraction > MTF 4<}@hk
Y
Freq/Calc Tab: Maximum 68, Increment 17 IFr"IOr'l
Graphics tab: Max plot freq 68
r90tXx
Click OK (keep window open, tear off starting MTF graph for later comparison) e J<P
Optimization > Automatic Design r|ZB3L|7
Output controls: Click Draw System button '^WR5P< 8c
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) [ R8BcO(
Specific constraints: uA
=%EEZ
Click Insert Specific Constraint +?3RC$jyw
Default display is Optical Definitions, Effective Focal Length (correct choice) c 8
Enter 8.25 for Constraint Target [ywF!#'){
Click OK. O \o@ ]
File > Save Lens As (new name, digcam20_opt.len) 6ZI7V!k
Re-run View Lens window to see new lens picture. hTZ6@i/pS
Re-run each of the Quick Analysis windows and note scales. O,^s)>c
Re-run the MTF window, compare to tear-off of starting point 3;}YW^oXq
---------------------------------------------------------------------------------------------- \pK&gdw
以下直接复制到命令行即可出最终结果 X1o R
---------------------------------------------------------------------------------------------- DH _~,tK9
! Command inputs for Workshop 2-2 (for reference) 3K~^H1l
!Restore 20 Degree Digital Camera Lens Setup [D+PDR
!FILE > OPEN `aX+Gz?
RES digcam20_start.len g]44|9x(W
!Vary all radii curvature by right clicking in LDM and selecting VARY Z \ @9*
!HINT: for curvatures highlight all and select vary. Then go back and k)F!gV#
!freeze stop surface radius. 9dszn^]T
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 Xu_1r8-|=b
!Vary all thicknesses by same method. Do not select surface with solve since Dvz 6 E
!varying this surface will delete solve. If mistake, use UNDO or go to BBX/ &d8n
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ]CS
N7Q+l
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 j;j~R3B
THC S8 0 !Don't forget to vary the image distance which calculates best : Zq?V`+M
!best real-ray focus from paraxial image plane p.4Sg eh#
!Vary glass by highlighting, right clicking, and selecting Vary T=V{3v@zs
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 Fgwe `[
!Optimize OPTIMIZATION > AUTOMATIC DESIGN GP ^^
K
AUT at*DYZBjDB
EFL Z1 = 8.25 !Effective Focal Length Constraint Y@ ;/Sf$ Q
MNT 0.8 !Minimum Center Thickness General Constraint ],R\oMYy|P
MNE 0.5 !Minimum Edge Thickness General Constraint z:dW 'U?1
DRA S1..I YES !Draw a picture of lens system at each cycle sKiy 1Ww
GO *E|3Vy{4
!Reanalyze the system. Make sure to "Tear Off" original analysis before :u@ w ;
!re-executing to compare optimized system T|YMU?4
!Re-execute Drawing z'>b)wY](
VIE i}<fg*6@E
GO 5?j #
!Re-execute MTF !]7L9TGn
MTF 9Z 6
MFR 68 @v /Ae_q!
IFR 17 (h@~0 S
GO ?LvxEQ- g
!Re-execute Field (Distortion) Analysis PP_ar{|7
FIE 6k37RpgH
GO yWH!v]S
!Save Lens FILE > SAVE LENS AS... O6q5qA
SAV digcam20_opt
