| 摘要 |
PURPOSE: A photographing device using a projection target and a distance correcting method using the device are provided to install a projection target in one of first and second photographing devices, thereby enabling each photographing device to automatically detect the distance between the center in case of low magnification and the center in case of high magnification. CONSTITUTION: A light emitting device(110) applies light onto a projection target(120). A reflecting plate(130) transfers a first target to a second photographing device(140). The second photographing device includes a high magnification camera(141) and a low magnification camera(142). The second photographing device stores the location values of a second target(148) and a third target(146). A first photographing device(150) includes a high magnification camera(151) and a low magnification camera(152).
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