主要是看人家的操作步骤,想学命令的人请看，十分有用 AoGpM,W]5
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) L>/$l(
Display > View Lens (accept defaults, click OK, keep window open) dY$nw
In LDM spreadsheet, select surfaces 1 to Image )( 3)^/Xz
Choose Edit > Default Variables, then click in any cell to unselect the range Vr1r2G2
Right click in each cell and choose Vary for a+z>pV|
Thickness of surfaces 1, 4, 6 gLt 6u|0q
Glass of surfaces 1, 4, 6 W<&/5s
File > Save Lens xp:I(
Using Quick Analysis tool bar, click… Iw[zN[oz
Quick Spot Diagram (note scale) 0 aR.ct%
Quick Ray Aberration Plot (note scale) Y qh-U%"'
Quick Field Plot (note scales and maximum distortion value) :I?lT2+ea
Analysis > Diffraction > MTF +~F>:v?R h
Freq/Calc Tab: Maximum 68, Increment 17 1^NC=IS9z
Graphics tab: Max plot freq 68 pR0 !b gC
Click OK (keep window open, tear off starting MTF graph for later comparison) oAN,_1v)
Optimization > Automatic Design kS{k=V&hf_
Output controls: Click Draw System button $U ._4
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) &'e+`\
Specific constraints: =zAFsRoD_B
Click Insert Specific Constraint ~ ,s'-
Default display is Optical Definitions, Effective Focal Length (correct choice) ;LC|1_ '
Enter 8.25 for Constraint Target ![{/V,V]~
Click OK. )ty>{ t
File > Save Lens As (new name, digcam20_opt.len) 0?F J ~ pu
Re-run View Lens window to see new lens picture. 7C2Xy>d~
Re-run each of the Quick Analysis windows and note scales. #( 'R`~
Re-run the MTF window, compare to tear-off of starting point BuM #& ]s
---------------------------------------------------------------------------------------------- ~^Al#@
以下直接复制到命令行即可出最终结果 K;THYMp/[
---------------------------------------------------------------------------------------------- u$ nmnd`g
! Command inputs for Workshop 2-2 (for reference) G1X73qoHT<
!Restore 20 Degree Digital Camera Lens Setup ZiKO|U@/
!FILE > OPEN hUi5~;Q5Fi
RES digcam20_start.len +{6:]
!Vary all radii curvature by right clicking in LDM and selecting VARY LmsPS.It
!HINT: for curvatures highlight all and select vary. Then go back and 8$JJI( {bH
!freeze stop surface radius. 8M3DG=D
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 h3>u[c X%
!Vary all thicknesses by same method. Do not select surface with solve since w k'(g_DP
!varying this surface will delete solve. If mistake, use UNDO or go to Vx[ Q=raS
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve p `oB._
R
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 ] _s;olKNI
THC S8 0 !Don't forget to vary the image distance which calculates best ZrP
8/>
!best real-ray focus from paraxial image plane a]V#mF |{
!Vary glass by highlighting, right clicking, and selecting Vary fUq}dAs*K
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 k%-y \WM
!Optimize OPTIMIZATION > AUTOMATIC DESIGN t,w/L*r+w
AUT mOjjw_3gq
EFL Z1 = 8.25 !Effective Focal Length Constraint 'q/C: Yo
MNT 0.8 !Minimum Center Thickness General Constraint b+Ax Te("
MNE 0.5 !Minimum Edge Thickness General Constraint N-}OmcO]e
DRA S1..I YES !Draw a picture of lens system at each cycle =<M>fJ)
GO rmX5-k
!Reanalyze the system. Make sure to "Tear Off" original analysis before g-x;a0MQx
!re-executing to compare optimized system DKlHXEt>
!Re-execute Drawing ga1b%5]v.
VIE S:2 xm8
i
GO _Co
v >6_i
!Re-execute MTF us8 ce+
MTF \ X6y".|-
MFR 68 ]=|iO~WN
IFR 17 `"~ X1 ;
GO `yhc,5M
!Re-execute Field (Distortion) Analysis f~jd N~
FIE v+C D{Tc
GO BlqfST#6
!Save Lens FILE > SAVE LENS AS... >9g^-~X;v
SAV digcam20_opt
