1.-The Nodales Bay is a body of water located in the North-Central Coast of the province of Santa Cruz (Argentina ). It is approximately 30 km in a straight line to the South of the city of Puerto Deseado, immediately south of the Bay of the sea bear
2.-Nodal points, points of the axis of an optical system such that entire incident beam that passes through one of these points, is an emerging Ray parallel to the first, it passes poe the other.
