主要是看人家的操作步骤,想学命令的人请看，十分有用 N*vBu `
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) G6l: El&
Display > View Lens (accept defaults, click OK, keep window open) ; "d>lyL
In LDM spreadsheet, select surfaces 1 to Image V5]}b[X
Choose Edit > Default Variables, then click in any cell to unselect the range ~Bw)rf,
Right click in each cell and choose Vary for ~ 9 F
rlj
Thickness of surfaces 1, 4, 6 k PuY[~i%
Glass of surfaces 1, 4, 6 0[/GEY@
File > Save Lens QL_vWG -
Using Quick Analysis tool bar, click… LIm{Y`XU
Quick Spot Diagram (note scale) tBJCfM
Quick Ray Aberration Plot (note scale) n\X' 2
Quick Field Plot (note scales and maximum distortion value) ]g/:l S4
Analysis > Diffraction > MTF uItzFX*
Freq/Calc Tab: Maximum 68, Increment 17 r4X0.
mPY*
Graphics tab: Max plot freq 68 O
%x <
Click OK (keep window open, tear off starting MTF graph for later comparison) U,;a+z 4\
Optimization > Automatic Design DQ#rZi3I
Output controls: Click Draw System button V *}xlxSL
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) pfs'2AFj
Specific constraints: {~L{FG)O
Click Insert Specific Constraint 6"OwrJB
Default display is Optical Definitions, Effective Focal Length (correct choice) Z}b 25)
Enter 8.25 for Constraint Target ]RBT9@-:U
Click OK. 0@O:C::
File > Save Lens As (new name, digcam20_opt.len) \3WF-!xe
Re-run View Lens window to see new lens picture. v--Qbu
Re-run each of the Quick Analysis windows and note scales. ,sa%u Fm
Re-run the MTF window, compare to tear-off of starting point w)nFH)f
---------------------------------------------------------------------------------------------- 9A7LDHst7
以下直接复制到命令行即可出最终结果 a/@F? \A
---------------------------------------------------------------------------------------------- E}YJGFB7"
! Command inputs for Workshop 2-2 (for reference) ~g#$'dS
!Restore 20 Degree Digital Camera Lens Setup E~4d6~s
!FILE > OPEN 4lVvs(W?
RES digcam20_start.len H}ie D"T_
!Vary all radii curvature by right clicking in LDM and selecting VARY s xP1. = W
!HINT: for curvatures highlight all and select vary. Then go back and >ocDh~@aP
!freeze stop surface radius. 55%j$f
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 t9QnEP'
!Vary all thicknesses by same method. Do not select surface with solve since )\`.Ru~,
!varying this surface will delete solve. If mistake, use UNDO or go to )o=ip m[
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve KxA ^?,t[
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 bXiOf#:''
THC S8 0 !Don't forget to vary the image distance which calculates best ?W27
h
!best real-ray focus from paraxial image plane k =^~\$e
!Vary glass by highlighting, right clicking, and selecting Vary L
`\>_
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 o0Z~9iF&
!Optimize OPTIMIZATION > AUTOMATIC DESIGN .kl. a wT
AUT VB}4#-dG?
EFL Z1 = 8.25 !Effective Focal Length Constraint VR'R7
MNT 0.8 !Minimum Center Thickness General Constraint t.s;dlx[@
MNE 0.5 !Minimum Edge Thickness General Constraint l KdY!j"
DRA S1..I YES !Draw a picture of lens system at each cycle _nn\O3TB
GO '5usPD
!Reanalyze the system. Make sure to "Tear Off" original analysis before u&E$(
!re-executing to compare optimized system ZUA%ZkX=F
!Re-execute Drawing ji&%'h
VIE F%-KY$ %
GO MsD@pa
!Re-execute MTF X2 PyFe
MTF crDm2oA~t
MFR 68 [( O*W
IFR 17 >V,i7v*?
GO `[(. Q
!Re-execute Field (Distortion) Analysis C/JFb zVx
FIE xY=%+o.?*
GO ; *ZiH%q,
!Save Lens FILE > SAVE LENS AS... = >0 G
SAV digcam20_opt
