Hyperradiant Fresnel lens

They are larger than "first-order" lenses, having a focal length (radius) of 1330 mm (52.36 inches).

The hyper-radial Fresnel lenses were the largest ever put into use and were installed in about two dozen major "landfall" beacons around the world.

The recipients include Makapu'u Point lighthouse on Oahu Island in Hawaii, Cabo de São Vicente in Portugal, Manora Point in Karachi, Pakistan, the Bishop Rock off the coast of Cornwall (in the UK), Cabo de Santa Marta in Brazil, and Cape Race, Newfoundland.

Download coordinates as: Hyperradiant optics were installed in thirty-one lighthouses around the world.

A large proportion were destined for lights around Great Britain and Ireland, with another four used at sites around Sri Lanka.