| 摘要 |
There are provided a rangefinder device which is capable of detecting that improper distance measurement through glass or the like has been performed, even when the glass is positioned at a certain or considerable distance from the camera, and a camera incorporating the rangefinder device. A projecting section projects a signal beam towards a photographic subject, and a light receiving section receives light from the photographic subject due to the projection via two different light paths. A distance information calculating circuit calculates distance information related to a distance to the photographic subject from the positional relationship between images received by the light receiving section. A position calculating circuit calculates first position information related to positions of the images received by the light receiving section based upon the calculated distance information. A determination circuit determines whether the calculated distance information is proper or improper, from the relationship between the first position information calculated by the position calculating circuit and second position information related to light receiving positions of the images that is obtained based upon an output from the light receiving section.</PTEXT>
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