主要是看人家的操作步骤,想学命令的人请看，十分有用 dm6~
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) 'l~6ErBSg
Display > View Lens (accept defaults, click OK, keep window open) X 7=fX~s
In LDM spreadsheet, select surfaces 1 to Image {@gAv!
Choose Edit > Default Variables, then click in any cell to unselect the range n|Pr/ddL
Right click in each cell and choose Vary for syv$XeG=}
Thickness of surfaces 1, 4, 6 n-$VUo
Glass of surfaces 1, 4, 6 ba ee?6
File > Save Lens vv6?V# {
Using Quick Analysis tool bar, click… f/,tgA
Quick Spot Diagram (note scale) Ur^j$B}
Quick Ray Aberration Plot (note scale) -T 7xK/
Quick Field Plot (note scales and maximum distortion value) 9}5K6a Q
Analysis > Diffraction > MTF A3HF,EG
Freq/Calc Tab: Maximum 68, Increment 17 )t:7_M3
Graphics tab: Max plot freq 68 n 6{2]&sd
Click OK (keep window open, tear off starting MTF graph for later comparison) RsW9:*R
Optimization > Automatic Design YzAFC11,
Output controls: Click Draw System button p~2UUm V
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) ;#TaZN
Specific constraints: $+cAg >
Click Insert Specific Constraint q]\X~
9#
Default display is Optical Definitions, Effective Focal Length (correct choice)
1S 0pd-i
Enter 8.25 for Constraint Target HG%Z "d
Click OK. + E/y ~s
File > Save Lens As (new name, digcam20_opt.len) 'xnnLCm.
Re-run View Lens window to see new lens picture. @m~RtC-Q
Re-run each of the Quick Analysis windows and note scales. B6] <G-
Re-run the MTF window, compare to tear-off of starting point /4$4h;_8
---------------------------------------------------------------------------------------------- w%dL 8k
以下直接复制到命令行即可出最终结果 I;7nb4]AmF
---------------------------------------------------------------------------------------------- ^N{ltgQY
! Command inputs for Workshop 2-2 (for reference) <*|?x86~
!Restore 20 Degree Digital Camera Lens Setup 9 9=s4*xzM
!FILE > OPEN e8}Ezy"^
RES digcam20_start.len ~9=aT1S|
!Vary all radii curvature by right clicking in LDM and selecting VARY zP!J/}z
!HINT: for curvatures highlight all and select vary. Then go back and 0:&ZnE}##
!freeze stop surface radius. #z!^ <,
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 PWB(5 f?
!Vary all thicknesses by same method. Do not select surface with solve since }CDk9 Xk
!varying this surface will delete solve. If mistake, use UNDO or go to hXn3,3f3oZ
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve -"Q-H/qh
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 -?6MU~"GK
THC S8 0 !Don't forget to vary the image distance which calculates best l&$$w!n0w
!best real-ray focus from paraxial image plane C`V)VJM
!Vary glass by highlighting, right clicking, and selecting Vary ,RxYd6
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 W `z 0"
!Optimize OPTIMIZATION > AUTOMATIC DESIGN '9?;"=6(
AUT O7t(,uox3y
EFL Z1 = 8.25 !Effective Focal Length Constraint BVw Wj-,
MNT 0.8 !Minimum Center Thickness General Constraint d Qb.BOI)h
MNE 0.5 !Minimum Edge Thickness General Constraint KCuG u}
DRA S1..I YES !Draw a picture of lens system at each cycle cK`"lxO
GO 6rN(_Oi-
!Reanalyze the system. Make sure to "Tear Off" original analysis before =Z G:x<Hg
!re-executing to compare optimized system fP HLXg5s
!Re-execute Drawing fNu'((J-
VIE
9\; |x
GO _qXa= |}V.
!Re-execute MTF kJQ#Wz|z]
MTF 8|Y.| \
MFR 68 !yOeW0/2[
IFR 17 \5)h tL1F
GO ]i*](UQ
!Re-execute Field (Distortion) Analysis Q@@v1G\
FIE B>y9fI
GO BV`- =wRC
!Save Lens FILE > SAVE LENS AS... 7p iuLq+
SAV digcam20_opt
