Patents related to photo lenses - part 2

Started 7 months ago | Discussions thread
Enginel Contributing Member • Posts: 862
Re: Nikon Fisheye-Nikkor 7.5mm f/5.6

is it a production lens? Why is it 220 FOV? Superficial googling gets me 180...

 Enginel's gear list:Enginel's gear list
Pentax Q Sony Alpha NEX-5N Sony E 18-55mm F3.5-5.6 OSS Sony E 50mm F1.8 OSS
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