- added

git-svn-id: http://moon:8086/svn/matlab/trunk@129 801c6759-fa7c-4059-a304-17956f83a07c

lens.m

@@ -0,0 +1,48 @@
+## Copyright (C) 2019 Jens
+## 
+## This program is free software: you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation, either version 3 of the License, or
+## (at your option) any later version.
+## 
+## This program is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+## GNU General Public License for more details.
+## 
+## You should have received a copy of the GNU General Public License
+## along with this program.  If not, see
+## <https://www.gnu.org/licenses/>.
+
+## -*- texinfo -*- 
+## @deftypefn {} {@var{retval} =} lens (@var{input1}, @var{input2})
+##
+## @seealso{}
+## @end deftypefn
+
+## Author: Jens <jens@orion>
+## Created: 2019-08-27
+
+function retval = lens (f)
+
+pw = 2048;
+ph = 1536;
+d = 11.1;
+
+a = pw/ph
+dh = sqrt(d*d/(1+a*a))
+dw = a*dh
+
+%f = 12.5;
+dw_norm = 36;
+dh_norm = 24;
+
+a_norm = dw_norm/dh_norm
+d_norm = sqrt(dw_norm*dw_norm + dh_norm*dh_norm)
+crop_factor = d_norm / d
+f_norm = f * crop_factor
+
+aov_norm = 360/pi*atan(d_norm/(2*f))
+aov = 360/pi*atan(d/(2*f))
+
+endfunction