手机镜头自动设计宏4P非球

PROJ
ON 67
CCW
CORE 6

DSEARCH 3 QUIET
SYSTEM
ID 4P_ASPHERIC
OBB 0 35 0.5 !.285
UNI MM
!WAVL CDF        ! use visual wavelengths at C, d, and F lines

WA1 .6562800 .5875600 .5460700 .4861300 .4358400
CORDER   3   1   5   2   4
WT1 9.00000 15.0000 16.0000 10.0000 7.00000
END

GOALS                       ! define the goals here
ELEMENTS 5                 ! we want a four-element lens with a cover glass
BACK 0.6 1           ! ask for 0.4 mm back focus distance
FNUM 2.4 10               ! ask for F/2.7, weight of 10
THSTART .3               ! global search use thicknesses 0.1 mm
RSTART 50                 ! and starting radius of 50 mm
ASPH 2                 ! allow four aspheric terms: CC, 4th, 6th, and 8th power

delay 9999               ! these runs are fast, so don’t ask to continue on timeout
ANNEAL 10 1 Q           ! anneal each case, temp 10 degrees, cool 1, including quick
Quick
SNAP 5                    ! redraw PAD screen every five passes
STOP FIRST               ! put the stop in front
STOP Fix           ! and keep it there
QUICK 20 20            ! run quick mode 20 passes, then real mode 20
NGRID 6                   ! 6x6 grid of rays in pupil
TOPD                       ! correct both transverse aberrations and OPDs, For Mobile
FOV 0 .2 .4 .6 .8 1  ! correct six field points
FWT 5 4 3 2 1 1           ! with these weights
COVER .3 1.51872 64     ! the cover glass will be 0.3 mm thick with this GLM
PLASTIC 4 1 3 5 7         ! the four elements will be plastic
END                         ! end of goals section

SPEC PANT                 ! special PANT section starts here
RDR .001                 ! these are tiny lenses, reduce derivative increments
TLIMIT 3 .1               ! limits on thicknesses and spaces
SLIMIT 5 .1
END                         ! end of PANT section

SPECIAL AANT
Skip
! start of special AANT section; these go into the merit fn.
ACC 1.5              ! center thickness no more than 1.5 mm
ACM .5                  ! and no thinner than 0.2 mm
              ! avoid critical angle; 60 degrees from surface normal
AEC .3 10 1              ! keep edges over 0.2 mm
eos

AEC  0.3 1 .1  ! Min Edge, Tar WT [Window], Default 1mm
ACC  1.5 1 .1  ! Max. Center, Default 1Inch
ACM  0.5 1 .1  ! Min.Center
AAE  0.2 1 .1  ! Air Edge
ACA 50

M 1.17  10 A P YA   0.363636364
M 1.76  10 A P YA   0.545454545
M 2.35  10 A P YA   0.727272727
M 3.05  10 A P YA   1

skip
M 0.29  1 A P  YA   0.090909091
M 0.59  1 A P YA   0.181818182
M 0.88  1 A P YA   0.272727273
M 1.17  1 A P YA   0.363636364
M 1.47  1 A P YA   0.454545455
M 1.76  1 A P YA   0.545454545
M 2.05  1 A P YA   0.636363636
M 2.35  1 A P YA   0.727272727
M 2.64  1 A P YA   0.818181818
M 2.93  1 A P YA   0.909090909
M 3.05  10 A P YA   1
eos

!AOI CONTOL
!NAME AOI
LUL 29 50 1 A P UNI 1.0 0 0 0 LB0
LLL 28 50 1 A P UNI 1.0 0 0 0 LB0
skip

M 5.3   1 A P UNI     0.090909091    0 0 0 LB0
M 10.6  1 A P UNI     0.181818182    0 0 0 LB0
M 15.6  1 A P UNI     0.272727273    0 0 0 LB0
M 20.4  1 A P UNI     0.363636364    0 0 0 LB0
M 24.3  1 A P UNI     0.454545455    0 0 0 LB0
M 27    1 A P UNI     0.545454545    0 0 0 LB0
M 28.6  1 A P UNI     0.636363636    0 0 0 LB0
M 28.9  1 A P UNI     0.727272727    0 0 0 LB0
M 29    1 A P UNI     0.818181818    0 0 0 LB0
M 29    1 A P UNI     0.909090909    0 0 0 LB0
M 29    1 A P UNI     1              0 0 0 LB0
eos

END

GO
PROJ

a755475490	2020-04-11 09:59
这跑出的结果，惨不忍睹。有没有高手知道为什么，需要改善什么

optics1210

2020-04-13 16:03

a755475490:这跑出的结果，惨不忍睹。有没有高手知道为什么，需要改善什么 (2020-04-11 09:59) */_$' /qV

没有去控制形状，比如第1面，可以控制曲面为凸的。第2个镜片的边缘厚度为负了，再添加命令优化一下。另外第2个和第4个镜片控制一下最厚和最薄的厚薄比值，以及第4个镜片控制厚度和孔径的比值。看了上面的命令，非球面系数，只开了几项，可以再多开一些高阶项。
按照这个思路，可以尝试先优化控制一下形状

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