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Metering device for a single lens reflex camera

阅读:106发布:2021-11-18

专利汇可以提供Metering device for a single lens reflex camera专利检索,专利查询,专利分析的服务。并且In a single lens reflex camera, a metering device comprises a metering element provided on the back side of a movable mirror so that, in raised position of the mirror, light passed through the picture-taking lens of the camera to the surface of a shutter curtain or of a photographic film and reflected by such surface may be received by the metering element to determine the exposure without the incident light from the picture-taking lens being directly passed to the metering element.,下面是Metering device for a single lens reflex camera专利的具体信息内容。

1. A metering device for a single lens reflex camera having a movable mirror therewithin, said device comprising a metering element held on the back side of said movable mirror, and an incident light direction restricting structure formed on the light-sensing surface of said metering element, said restricting structure being inclined with respect to the light-sensing surface of said metering element so that it may intercept direct light from the picture-taking lenses of the camera in raised raised position of said movable mirror so as to permit only the reflected light from the surface of a film or of a shutter curtain to be passed to said metering element.
2. A metering device according to claim 1, further comprising means for permitting the output terminals of said metering element to be led out through a pivot shaft for said movable mirror toward the body of the camera.
3. A metering device according to claim 1, wherein light-transmitting portions are formed in the surface of said movable mirror and a metering element is provided for sensing the light passed through said transmitting portions.
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