fresnel lens, definition of

An optical device that focuses light like a magnifying glass; concentric rings are faced at slightly different angles so that light falling on any ring is focused to the same point.

• Tom Dixon’s dazzling Lens pendant lamps are made from 60 lenses
  Tom Dixon's latest design work includes these geometric pendant lamps made from 60 triangular polycarbonate lenses. The Lens lamps are inspired by the Fresnel lens, which  can capture more oblique light from a light source, and allow the light from a...
• Supersolar Fresnel Lenses Power Team ABC’s Green-Roofed Sumbiosi Solar Decathlon House
  Read the rest of Supersolar Fresnel Lenses Power Team ABC’s Green-Roofed Sumbiosi Solar Decathlon House Permalink | Add to del.icio.us | digg Post tags: ABC, Aquitaine Bordeaux Campus, clean tech, eco design, france, Fresnel lens, green...