主要是看人家的操作步骤,想学命令的人请看，十分有用 LOYk 9m
File > Open (locate saved Workshop 1 lens if it is not open already, digcam20_start.len) e%M;?0j
Display > View Lens (accept defaults, click OK, keep window open) ,qwuLBW
In LDM spreadsheet, select surfaces 1 to Image R\f+SvE
Choose Edit > Default Variables, then click in any cell to unselect the range cVpp-Z|s8
Right click in each cell and choose Vary for j;r-NCBnz
Thickness of surfaces 1, 4, 6 >R_&Ouh:
Glass of surfaces 1, 4, 6 ^7*11%Q
File > Save Lens Y@iS_lR
Using Quick Analysis tool bar, click… (WJRi:NP?
Quick Spot Diagram (note scale) 'Is kWgc
Quick Ray Aberration Plot (note scale) pki%vRY
Quick Field Plot (note scales and maximum distortion value) S hWJ72c
Analysis > Diffraction > MTF 9*wK@yEl
Freq/Calc Tab: Maximum 68, Increment 17 \@zHON(
Graphics tab: Max plot freq 68 c jY-y-vO
Click OK (keep window open, tear off starting MTF graph for later comparison) @H C Vmg :
Optimization > Automatic Design .P]+? %&
Output controls: Click Draw System button 0+ '&`Q!u
General constraints: Min center thickness 0.8, Min edge thickness 0.5 (others default) T-L||yE,h
Specific constraints: .<FH>NW)
Click Insert Specific Constraint & . j&0WE
Default display is Optical Definitions, Effective Focal Length (correct choice) _[3D
Enter 8.25 for Constraint Target uzPV To|=
Click OK. pv&sO~!iC
File > Save Lens As (new name, digcam20_opt.len) 3 hH<T.@)
Re-run View Lens window to see new lens picture. V!=,0zy~Z
Re-run each of the Quick Analysis windows and note scales. B 3I`40#
Re-run the MTF window, compare to tear-off of starting point B9 uoVcW
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以下直接复制到命令行即可出最终结果 / SB;Von
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! Command inputs for Workshop 2-2 (for reference) 'H !Uh]!
!Restore 20 Degree Digital Camera Lens Setup EVSX. '&f
!FILE > OPEN T^KKy0ZGM
RES digcam20_start.len p6@)-2^
!Vary all radii curvature by right clicking in LDM and selecting VARY dn3 y\
!HINT: for curvatures highlight all and select vary. Then go back and 7}> E J
!freeze stop surface radius. % $L{R
CCY S1 0 ; CCY S2 0 ; CCY S4 0 ; CCY S5 0 ; CCY S6 0 ; CCY S7 0 ~
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!Vary all thicknesses by same method. Do not select surface with solve since SnfYT)Ph
!varying this surface will delete solve. If mistake, use UNDO or go to ]ieeP4*
!LENS > SYSTEM DATA > SYSTEM SOLVES and reselect Paraxial Image Solve M }D}K\)
THC S1 0 ; THC S2 0 ; THC S3 0 ; THC S4 0 ; THC S5 0 ; THC S6 0 niyV8v
THC S8 0 !Don't forget to vary the image distance which calculates best CTa 57R
!best real-ray focus from paraxial image plane u6agoK|^9
!Vary glass by highlighting, right clicking, and selecting Vary
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GC1 S1 0 ; GC1 S4 0 ; GC1 S6 0 D@.6>:;il
!Optimize OPTIMIZATION > AUTOMATIC DESIGN ?a5! H*,
AUT ^ h6tr8yn
EFL Z1 = 8.25 !Effective Focal Length Constraint T8g$uFo
MNT 0.8 !Minimum Center Thickness General Constraint @9s$4DS
MNE 0.5 !Minimum Edge Thickness General Constraint D,feF 9
DRA S1..I YES !Draw a picture of lens system at each cycle 7:1Lol-V
GO jL luj
!Reanalyze the system. Make sure to "Tear Off" original analysis before ICQKP1WFp
!re-executing to compare optimized system R m( "=(
!Re-execute Drawing &8lZNv8;(p
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GO a~w$#fo"`f
!Re-execute MTF o+' 6`g'8
MTF {wKB;?fUvk
MFR 68 7. oM J
IFR 17 k,*XG$ 2h
GO = ^?/+p8 k
!Re-execute Field (Distortion) Analysis ?@86P|19
FIE 7[) E>XRE
GO xJe%f\UDu
!Save Lens FILE > SAVE LENS AS... |BXg /gW
SAV digcam20_opt
