US Patent 7690801 Lighting apparatus

Lighting apparatus for an image-gathering device, includes a light frame supporting a plurality of light emitting diode lamps configured to emit light at a tungsten balanced color temperature, and a support member that defines a filter tray aperture to accommodate a filter tray. The light frame defines a circular aperture to enable the light frame to be located around the barrel of a camera lens, and the filter tray aperture is visible within said circular aperture of said light frame. A manually adjustable filter clamp is provided for holding a filter tray in place once located with respect to the filter tray aperture. Lighting apparatus arranged to accommodate a plurality of filter trays.