主要是看人家的操作步骤,想学命令的人请看，十分有用 "nA~/t=
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) W @]t
Display > View Lens (accept defaults, click OK, keep window open) C@P*:L _
In LDM spreadsheet, select surfaces 1 to Image `gX $N1(
Choose Edit > Default Variables, then click in any cell to unselect the range CeINODcT
Right click in each cell and choose Vary for %0_}usrsk
Thickness of surfaces 1, 4, 6 >9+h2B
Glass of surfaces 1, 4, 6 vUR@P
-
File > Save Lens -%ftPf m
Using Quick Analysis tool bar, click… oU/{<gs
Quick Spot Diagram (note scale) SH5a&OVZhn
Quick Ray Aberration Plot (note scale) "KKw\i
Quick Field Plot (note scales and maximum distortion value) n c 9sfH3
Analysis > Diffraction > MTF /4Yx B,
Freq/Calc Tab: Maximum 68, Increment 17 }G ^nK m
Graphics tab: Max plot freq 68 D16w!Mnz{K
Click OK (keep window open, tear off starting MTF graph for later comparison) |0nt u+
Optimization > Automatic Design &Vy.)0
Output controls: Click Draw System button _-:CU
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) .YlhK=d4
Specific constraints: X R+
Click Insert Specific Constraint !-~sxa280r
Default display is Optical Definitions, Effective Focal Length (correct choice) y7T<Auue`
Enter 8.25 for Constraint Target VLcwBdo
Click OK. D}OhmOu 3
File > Save Lens As (new name, digcam20_opt.len) >9Z7l63+}
Re-run View Lens window to see new lens picture. .c ]@xoC
Re-run each of the Quick Analysis windows and note scales. fn,
YH
Re-run the MTF window, compare to tear-off of starting point eZ |_wB'r
---------------------------------------------------------------------------------------------- i '3)5
以下直接复制到命令行即可出最终结果 <AN5>:k[pM
---------------------------------------------------------------------------------------------- 4G'-"u^g
! Command inputs for Workshop 2-2 (for reference) S#b)R pY
!Restore 20 Degree Digital Camera Lens Setup 'B;n&tJ
!FILE > OPEN N gagzsJ=
RES digcam20_start.len xp
F(de
!Vary all radii curvature by right clicking in LDM and selecting VARY 3XIL; 5
!HINT: for curvatures highlight all and select vary. Then go back and ddwokXx
(
!freeze stop surface radius. 9;ie[sU:u
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 '3iJ q 9
!Vary all thicknesses by same method. Do not select surface with solve since +ctJV>
!varying this surface will delete solve. If mistake, use UNDO or go to [8'^"
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve 4l@aga
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 yJ*g ;
THC S8 0 !Don't forget to vary the image distance which calculates best &HtG&RvQf
!best real-ray focus from paraxial image plane
tPCh VnB
!Vary glass by highlighting, right clicking, and selecting Vary V?- ]ZkI
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ltlnXjRU v
!Optimize OPTIMIZATION > AUTOMATIC DESIGN I.- I4F)D
AUT _Jn@+NoO
EFL Z1 = 8.25 !Effective Focal Length Constraint ss4YeZa
MNT 0.8 !Minimum Center Thickness General Constraint l {Xy %8
MNE 0.5 !Minimum Edge Thickness General Constraint 4ah5 }9{g
DRA S1..I YES !Draw a picture of lens system at each cycle H`nd |
GO 5l]qhi3f
!Reanalyze the system. Make sure to "Tear Off" original analysis before / hYFOZ
!re-executing to compare optimized system ->'xjD
!Re-execute Drawing +wcif -
VIE {'6-;2& f
GO +&[X7r<
!Re-execute MTF $pajE^d4V
MTF T~~K~a \8
MFR 68 S"%W^)mZ
IFR 17 $$ eBr8
GO )D" 2Q:
!Re-execute Field (Distortion) Analysis 9`Xr7gmQf
FIE 3aFD* S
GO R) J/z
!Save Lens FILE > SAVE LENS AS... ivvm.7{
SAV digcam20_opt
