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Flash lamp lens structure and shooting device with same

A technology of photographing device and flashlight, which is applied to lighting devices, components of lighting devices, optics, etc., can solve the problem of high light intensity in the center of the flashlight ring, and achieve the effects of uniform light intensity, enhanced light intensity, and simple manufacturing process

Active Publication Date: 2013-03-27
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] The present invention aims to solve the problem that the light intensity in the center of the flash light circle is higher than that of the surrounding areas, so that the light emitted by the flash light is more uniform, so that the photographs taken are more realistic

Method used

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  • Flash lamp lens structure and shooting device with same
  • Flash lamp lens structure and shooting device with same

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Embodiment Construction

[0016] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be emphasized that the following description is only exemplary and not intended to limit the scope of the invention and its application.

[0017] refer to figure 1 , in some embodiments, the flash lens structure includes a flash 1 and a Fresnel lens 2 arranged in front of the flash 1, the side of the Fresnel lens 2 facing the flash 1 is an annular tooth surface 201, the The other side of the Fresnel lens 2 facing away from the flashlight 1 is formed as a concave lens 202 at least in the central part.

[0018] Such as figure 1 As shown, by improving the Fresnel lens 2, the improved flash lens has a two-layer structure. The first layer, that is, the side facing the flash is the annular tooth surface 201 of the Fresnel lens, which is different from the existing Fresnel lens. The same as the Erlenmeyer lens, the light rays are refracted into lig...

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Abstract

The invention discloses a flash lamp lens structure which comprises a flash lamp and a Fresnel lens arranged in front of the flash lamp. One face of the Fresnel lens facing the flash lamp is an annular tooth face, and the other face of the Fresnel lens back on to the flash lamp at least forms a concave lens at the central position. The invention further discloses a shooting device including the flash lamp lens structure. The flash lamp lens structure can solves the problem that central light intensity of a aperture of the flash lamp of the Fresnel lens is higher than that of the periphery, enables light rays emitted by the flash lamp to be even, and enables shot photos to be real.

Description

technical field [0001] The invention relates to photographic equipment, in particular to a flash lens structure and a photographing device with the structure. Background technique [0002] Digital camera generally realizes the function of taking pictures at night through the cooperation of camera and flashlight. Usually the light of the flashlight is projected onto the scene through a layer of flashlight lenses. On the one hand, this layer of lens plays a role in protecting the flashlight, and on the other hand, it can improve the uniformity of the light from the flashlight. Existing flash lenses usually use a layer of Fresnel lens, the principle of which is as follows: figure 1 As shown, after being refracted by the Fresnel lens, the light emitted by the flash is projected onto the scene in a light similar to parallel light, and its uniformity has been significantly improved. However, in actual use, it is found that the light intensity at the center of the aperture of the...

Claims

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Application Information

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IPC IPC(8): G03B15/03G02B3/08F21V5/04G03B30/00
Inventor 吴呈煜吴克伟
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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