Light projection device and video camera comprising light projection device
A technology for an optical device and a camera, applied in the field of cameras, can solve the problems of affecting the luminous flux and uniformity of the outgoing light, waste light, etc., and achieve the effect of good camera quality
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[0017] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] image 3 A schematic structural diagram of a light projection device provided by an embodiment of the present invention is shown, and for convenience of description, only parts related to this embodiment are shown.
[0019] The light projecting device includes a main reflector 31 and a visible light source 32 arranged inside the main reflector 31. A sub-reflector 33 is arranged in the outgoing light direction of the visible light source 32. The central axis of the sub-reflector 33 and the main reflector 31 The openings of the main reflector 31 and the sub-reflector 33 are opposite to each o...
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