To provide a spotlight allowing the shape of a light irradiation region to be changed, and excelling in maintainability of a bulb, a reflecting mirror and a lens.
This spotlight includes: a cylindrical body 11 longitudinally opened; a cover body 13 arranged, at the rear end of the cylindrical body, openably/closably by using a rear section of the cylindrical body as a supporting point; a lens 14 stored on the front side of the cylindrical body; a concave reflecting mirror 15 disposed between the lens and the cover body and having a hole at the center; a bulb 16 provided with a tube disposed between the lens and the concave reflecting mirror, and a base connected to the tube and protruded toward the rear side from the hole of the concave reflecting mirror; and a socket 17 supporting the bulb; and is characterized in that a plurality of shading plates 42a, 42b, ... each capable of projecting to the inside of the edge of the lens are disposed by being arranged along the edge of the lens on the front side of the lens; and the concave reflecting mirror and the socket are supported and fixed to a movable support 18 movably arranged in the longitudinal direction of the cylindrical body on a wall surface of the cover body on the cylindrical body side.
HAGIWARA SEISHIRO
KASHIMURA HIROSHI
Kazuo Matsushima