主要是看人家的操作步骤,想学命令的人请看,十分有用 FezW/+D
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) ^hHeH:@
Display > View Lens (accept defaults, click OK, keep window open) StDmJ]
In LDM spreadsheet, select surfaces 1 to Image 6C0_. =7#
Choose Edit > Default Variables, then click in any cell to unselect the range ?|8Tgs@+
Right click in each cell and choose Vary for *0hiPj:
Thickness of surfaces 1, 4, 6 oU@ljSD
Glass of surfaces 1, 4, 6 uy9B8&Sr
File > Save Lens 5muW*7
Using Quick Analysis tool bar, click… nMa^Eq#
Quick Spot Diagram (note scale) mc+wRx
Quick Ray Aberration Plot (note scale)
ke#;1
Quick Field Plot (note scales and maximum distortion value) ,SM- Z`'
Analysis > Diffraction > MTF )ra66E
Freq/Calc Tab: Maximum 68, Increment 17 Ntnmd
Graphics tab: Max plot freq 68 u/[]g+
Click OK (keep window open, tear off starting MTF graph for later comparison) {e%abr_B
Optimization > Automatic Design 3uw7 J5x
Output controls: Click Draw System button ],YYFU}
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) :.Qe=}9
Specific constraints: xI:
'Hk1
Click Insert Specific Constraint \zI&n &T
Default display is Optical Definitions, Effective Focal Length (correct choice) Crhi+D
Enter 8.25 for Constraint Target h3lDDyu
Click OK. V0 F30rK
File > Save Lens As (new name, digcam20_opt.len) G; [AQ:Iy
Re-run View Lens window to see new lens picture. ]k:m2$le
Re-run each of the Quick Analysis windows and note scales. ]jb4Z
Re-run the MTF window, compare to tear-off of starting point iW}l[g8sw!
---------------------------------------------------------------------------------------------- cXY'>N
以下直接复制到命令行即可出最终结果 MH.,s@
---------------------------------------------------------------------------------------------- hcgc
=$^
! Command inputs for Workshop 2-2 (for reference) ww($0A`ek
!Restore 20 Degree Digital Camera Lens Setup kxW>Da<6
!FILE > OPEN l>UUaf|O
RES digcam20_start.len e^NEj1
!Vary all radii curvature by right clicking in LDM and selecting VARY f4I#a&DO
!HINT: for curvatures highlight all and select vary. Then go back and dl6v
<
!freeze stop surface radius. )6Q0f
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 8KtgSash
!Vary all thicknesses by same method. Do not select surface with solve since MgQU6O<
!varying this surface will delete solve. If mistake, use UNDO or go to &fSc{/
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ij(4)=
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 |NU0tct^
THC S8 0 !Don't forget to vary the image distance which calculates best (Q5@MfK`
!best real-ray focus from paraxial image plane q83~j`ZJ$
!Vary glass by highlighting, right clicking, and selecting Vary UY-IHz;&O-
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 s!'A\nVV1$
!Optimize OPTIMIZATION > AUTOMATIC DESIGN S[~O')
AUT *fl{Y(_OO
EFL Z1 = 8.25 !Effective Focal Length Constraint )6>|bmpU
MNT 0.8 !Minimum Center Thickness General Constraint 9V;$v
MNE 0.5 !Minimum Edge Thickness General Constraint
NVJ&C]H6
DRA S1..I YES !Draw a picture of lens system at each cycle +qUkMx
GO RF5q5<0
!Reanalyze the system. Make sure to "Tear Off" original analysis before `GQiB]Z
!re-executing to compare optimized system aGe(vQPi9
!Re-execute Drawing V`\f+Uu
VIE VL7S7pb_
GO k&A7alw
!Re-execute MTF =kb6xmB^t
MTF zNny\Z
MFR 68 )J+{oB[>b
IFR 17 >4/L-y+
GO 28R>>C=R
!Re-execute Field (Distortion) Analysis rj,K`HD
FIE c',:@2R
GO qEJ8o.D-=
!Save Lens FILE > SAVE LENS AS... {zz6XlKPj
SAV digcam20_opt