# D-GAUSS F/2 22deg HFOV			
# US patent 2,673,491 Tronnier"			
# Moden Lens Design, p.312"			
# Scaled to 50 mm from 100 mm			
#    radius	 axpos	N	aperture
29.475	3.76	1.67	25.2
84.83	0.12	1	25.2
19.275	4.025	1.67	23
40.77	3.275	1.699	23
12.75	5.705	1	18
0	4.5	0	17.1
-14.495	1.18	1.603	17
40.77	6.065	1.658	20
-20.385	0.19	1	20
437.065	3.22	1.717	20
-39.73	0	1	20