Photographic lighting apparatus

Details Photographic lighting apparatus Photographic lighting apparatus

G - Physics

03

B

240/76, 95/46.1

G03B 15/05 (2006.01)

Patent

CA 1177041

ABSTRACT OF THE DISCLOSURE An electronic strobe light which can either be built into or detachably connected with a photographic camera to provide a preferred illumination distribution over the field of view of the camera in order to maximize flash range and improve the quality of illumination for flash pictures. The strobe light includes a reflector that is bilaterally symmetric about the horizontal having a shape represented by a 6th order polynomial and a strobe tube which has its center offset with respect to the plane of symmetry of the reflector. This arrangement provides a vertically asymmetric distribution in the intensity of illumination over the picture area with higher intensities occurring at the central upper part of the picture area. Side-to-side illumination intensity is generally symmetric about the vertical and is controlled by a cylindrical Fresnel lens.

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