主要是看人家的操作步骤,想学命令的人请看,十分有用 BMug7xl"
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ;6:9 EEd
Display > View Lens (accept defaults, click OK, keep window open) `J]e.K
In LDM spreadsheet, select surfaces 1 to Image bFjH*~
P
Choose Edit > Default Variables, then click in any cell to unselect the range .do8\
Right click in each cell and choose Vary for S4\a"WYg
Thickness of surfaces 1, 4, 6 I3HO><of
Glass of surfaces 1, 4, 6 /% g+|C
File > Save Lens 4M#i_.`z
Using Quick Analysis tool bar, click… 60;_^v
Quick Spot Diagram (note scale) LTxP@pr
Quick Ray Aberration Plot (note scale) {xx}xib3
Quick Field Plot (note scales and maximum distortion value) |sd G<+
Analysis > Diffraction > MTF Qk? WX
(`B
Freq/Calc Tab: Maximum 68, Increment 17 O uNPD q%
Graphics tab: Max plot freq 68 ?Z2`8]-E
Click OK (keep window open, tear off starting MTF graph for later comparison) ;4l8Qg
7
Optimization > Automatic Design Idb*,l|<
Output controls: Click Draw System button +5S>"KAUt0
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) vJxEF&X
Specific constraints: n]df)a
Click Insert Specific Constraint #9gx4U
Default display is Optical Definitions, Effective Focal Length (correct choice) :s6aFiz
Enter 8.25 for Constraint Target 2xf#@`U
Click OK. 8OKG@hc
File > Save Lens As (new name, digcam20_opt.len) SIapY%)h
Re-run View Lens window to see new lens picture. "\i H/
Re-run each of the Quick Analysis windows and note scales. Q,:{(R
Re-run the MTF window, compare to tear-off of starting point Qo)Da}uo20
---------------------------------------------------------------------------------------------- |QS3nX<
以下直接复制到命令行即可出最终结果 BBM[Fy37!}
---------------------------------------------------------------------------------------------- ]!ox2m_U
! Command inputs for Workshop 2-2 (for reference) SV@*[r
!Restore 20 Degree Digital Camera Lens Setup Da615d
!FILE > OPEN D'<L6w`
RES digcam20_start.len jYi,oE
!Vary all radii curvature by right clicking in LDM and selecting VARY =* G3Khz!
!HINT: for curvatures highlight all and select vary. Then go back and rCwE$5
b
!freeze stop surface radius. hs[x\:})/
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 d\uN
!Vary all thicknesses by same method. Do not select surface with solve since XVkw/l
!varying this surface will delete solve. If mistake, use UNDO or go to yI1:L
-
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 'y\Je7
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 U|]cB
THC S8 0 !Don't forget to vary the image distance which calculates best T:u>7?8o
!best real-ray focus from paraxial image plane vP x/&x
!Vary glass by highlighting, right clicking, and selecting Vary x(._?5
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 `Jk0jj6Z
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ?<${?L>
AUT Wk\(jaL%
EFL Z1 = 8.25 !Effective Focal Length Constraint I%u 2 ce
MNT 0.8 !Minimum Center Thickness General Constraint '{cSWa|
#
MNE 0.5 !Minimum Edge Thickness General Constraint ]o8]b7-
DRA S1..I YES !Draw a picture of lens system at each cycle O`c+y
GO D3cJIVM
!Reanalyze the system. Make sure to "Tear Off" original analysis before Ux7LN@4og
!re-executing to compare optimized system ka~_iUU4
!Re-execute Drawing
'g!T${
VIE <Cv(@A->
GO (oi:lC@h*
!Re-execute MTF 6LBdTnzUd
MTF 5X20/+aT
MFR 68 =}0Uw4ub(u
IFR 17 .26mB
Xr
GO -T,?'J0 2
!Re-execute Field (Distortion) Analysis !gve]>M
FIE }:m/@LKB
GO ~f h
!Save Lens FILE > SAVE LENS AS... QkBw59L7
SAV digcam20_opt