Looks like we are shooting for 80 degree horizontal field of view

“http://blogsearch.google.com/blogsearch?hl=en&safe=off&client=firefox-a&um=1&ie=UTF-8&q=wide+angle+webcam&sa=N&start=0“

A google blog search, reveals a few companies making cameras with 80 degree optical fields of view.  Mouly’s selected camera has 200degree (range of view), and a ~78-76 degree optical field of view.