To provide a lamp with novel design by improving a design with the existence of double (or triple) ring-shaped cylindrical lenses and a central aspherical lenses irrespective of illumination time or not.
In a lamp 1, a rotating combination inclined ellipse-shaped reflector 3 comprises ring-shaped second focuses F3A and F3B, and a ring- shaped cylindrical lens 4 is assembled in response to each of the second focuses F3A and F3B. A novel appearance is provided by a plurality of ring-shaped cylindrical lenses 4 in the aspect of design. More different appearance is provided by the application of coloring or not on a lens surface or the like. A central aspherical surface 6 is provided to improve a utilization factor of a luminous flux with respect to a light source 2 in order to attain a bright lamp 1 in the aspect of performance.
FUTAMI TAKASHI
KAWAGUCHI YOSHIFUMI
