主要是看人家的操作步骤,想学命令的人请看，十分有用 s`B]+
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) i<@6f'Kir
Display > View Lens (accept defaults, click OK, keep window open) r({!ejT{U
In LDM spreadsheet, select surfaces 1 to Image -,C">T%\
Choose Edit > Default Variables, then click in any cell to unselect the range 7 1_{FL8
Right click in each cell and choose Vary for /g BB
Thickness of surfaces 1, 4, 6 4 |9M8ocR
Glass of surfaces 1, 4, 6 .'k]]2%ILp
File > Save Lens X`JWYb4
Using Quick Analysis tool bar, click… |2z?8lx
Quick Spot Diagram (note scale) a|Io)Qhr
Quick Ray Aberration Plot (note scale) 7=(r k
Quick Field Plot (note scales and maximum distortion value) 7 p}J]!Z
Analysis > Diffraction > MTF EnnT)qos
Freq/Calc Tab: Maximum 68, Increment 17 qpjtF'
Graphics tab: Max plot freq 68 Vf9PHHH|
Click OK (keep window open, tear off starting MTF graph for later comparison) {/#^v?,
Optimization > Automatic Design y !)
Output controls: Click Draw System button ^x-vOG lR
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) &M KG#Y}
Specific constraints: ACm9H9:Vd
Click Insert Specific Constraint a zF|L"-RP
Default display is Optical Definitions, Effective Focal Length (correct choice) t{Ck"4Cg
Enter 8.25 for Constraint Target K<TVp;N
Click OK. _H@Y%"ZHJ6
File > Save Lens As (new name, digcam20_opt.len) 78zj C6}`
Re-run View Lens window to see new lens picture. 3omFd#EP
Re-run each of the Quick Analysis windows and note scales. ARvT
Re-run the MTF window, compare to tear-off of starting point a$ H*C(wL
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以下直接复制到命令行即可出最终结果 &.J8O+
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! Command inputs for Workshop 2-2 (for reference) VO r*Y B&
!Restore 20 Degree Digital Camera Lens Setup y=7WnQc
!FILE > OPEN ^K*uP^ B=
RES digcam20_start.len {5w'.Z]0 v
!Vary all radii curvature by right clicking in LDM and selecting VARY z ea=vx>`
!HINT: for curvatures highlight all and select vary. Then go back and Ww-%s9N<
!freeze stop surface radius. :ZG^`H/X1d
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 k]?M^jrm
!Vary all thicknesses by same method. Do not select surface with solve since A`_(L|~
!varying this surface will delete solve. If mistake, use UNDO or go to ^PA[fL"
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve ,S[,F0"%
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 =.NZ {G
THC S8 0 !Don't forget to vary the image distance which calculates best {,EOSta
!best real-ray focus from paraxial image plane $.{CA-~%[
!Vary glass by highlighting, right clicking, and selecting Vary |:yQOq|
GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 ?|!167 /O
!Optimize OPTIMIZATION > AUTOMATIC DESIGN yZ k HBG4
AUT -wv5c
EFL Z1 = 8.25 !Effective Focal Length Constraint #vh1QV!Ho
MNT 0.8 !Minimum Center Thickness General Constraint ;]YQ WK
MNE 0.5 !Minimum Edge Thickness General Constraint 5dOA^P@`,M
DRA S1..I YES !Draw a picture of lens system at each cycle 'D#iT}Vu
GO 0s )B~
!Reanalyze the system. Make sure to "Tear Off" original analysis before tTrUVuZ
!re-executing to compare optimized system cfI5KLG~#
!Re-execute Drawing pgT XyAP{
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GO 3S='/^l
!Re-execute MTF u=^0n2ez
MTF Fq3[/'M^
MFR 68 kB_u U !G
IFR 17 s!S,;H
GO Ch-56
!Re-execute Field (Distortion) Analysis c*MS d
FIE *4}l V8
GO L-ans2?
!Save Lens FILE > SAVE LENS AS... C {.{>M
SAV digcam20_opt
