主要是看人家的操作步骤,想学命令的人请看，十分有用 m[N&UM#
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) VdL }$CX$
Display > View Lens (accept defaults, click OK, keep window open) jfa<32`0E
In LDM spreadsheet, select surfaces 1 to Image '
#t1e]
Choose Edit > Default Variables, then click in any cell to unselect the range $nf
% <Q
Right click in each cell and choose Vary for Sc]h^B^7
Thickness of surfaces 1, 4, 6 sY}0PB
Glass of surfaces 1, 4, 6 r)G)i;;~*
File > Save Lens MLDAr d vK
Using Quick Analysis tool bar, click… |;C;d"JC2
Quick Spot Diagram (note scale) *unJd"<*&@
Quick Ray Aberration Plot (note scale) R~d Wb lv
Quick Field Plot (note scales and maximum distortion value) RHt~:D3*
Analysis > Diffraction > MTF lqoVfj'6M
Freq/Calc Tab: Maximum 68, Increment 17 $*9:a3>zny
Graphics tab: Max plot freq 68 eX^ F^(
Click OK (keep window open, tear off starting MTF graph for later comparison) 1eS@ihkP
Optimization > Automatic Design Q# 4OgNt
Output controls: Click Draw System button ef:Zi_o
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) HhTD/
Specific constraints: .m%y goO
Click Insert Specific Constraint j6rwlwN
Default display is Optical Definitions, Effective Focal Length (correct choice) \AD|;tA\vE
Enter 8.25 for Constraint Target R"71)ob4
Click OK. $! UEpQ
File > Save Lens As (new name, digcam20_opt.len) `~qVo4V6Z
Re-run View Lens window to see new lens picture. Y;sN UX
Re-run each of the Quick Analysis windows and note scales. Hn?v /3
Re-run the MTF window, compare to tear-off of starting point niCq `!
---------------------------------------------------------------------------------------------- G^\.xk]
以下直接复制到命令行即可出最终结果 oJ 0
# U
---------------------------------------------------------------------------------------------- .YIb ny1
! Command inputs for Workshop 2-2 (for reference) !wjD6 NK
!Restore 20 Degree Digital Camera Lens Setup m8v=pab e
!FILE > OPEN &< 5oDdC
RES digcam20_start.len %e=UYBj"
!Vary all radii curvature by right clicking in LDM and selecting VARY 9q<?xO
!HINT: for curvatures highlight all and select vary. Then go back and iM{aRFL
!freeze stop surface radius. @IBU{{
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 $Mqw)X&q
!Vary all thicknesses by same method. Do not select surface with solve since !m a'*X
!varying this surface will delete solve. If mistake, use UNDO or go to Q "`J-#L
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve F[oTc ^dr
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 #_fL[j&
THC S8 0 !Don't forget to vary the image distance which calculates best [V,f@}m
F
!best real-ray focus from paraxial image plane sHMZ'9b
!Vary glass by highlighting, right clicking, and selecting Vary d ?OsVT; U
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 H:L<gv(rG
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ;e ^`r;]
AUT ' $be+Z32
EFL Z1 = 8.25 !Effective Focal Length Constraint G~\=:d=^,`
MNT 0.8 !Minimum Center Thickness General Constraint 7Dx <Sr!
MNE 0.5 !Minimum Edge Thickness General Constraint 7cT ~u
DRA S1..I YES !Draw a picture of lens system at each cycle _i1x\Z~
N
GO iED
gcg7
!Reanalyze the system. Make sure to "Tear Off" original analysis before 6y)NH 8l7
!re-executing to compare optimized system HY'-P&H5(
!Re-execute Drawing g h&,U`
VIE B3&`/{u
GO +S}/ 6dg
!Re-execute MTF *Q 2}Qbu
MTF g=n /w
MFR 68 Ba]^0Y
u
IFR 17 x ]jJ
GO S9S%7pE
!Re-execute Field (Distortion) Analysis %$SO 9PY
FIE G8!* &vR/
GO CN<EgNt1kN
!Save Lens FILE > SAVE LENS AS... l)(
3]
SAV digcam20_opt
