Camera
专利汇可以提供Camera专利检索，专利查询，专利分析的服务。并且PURPOSE: To execute appropriate close-up photographing by providing a lens holder which can freely move in a direction traversing a photographing optical axis and a guiding plate held so that it can freely slide, and keeping the lens holder and the guiding plate in a specified positional relation with respect to an optical axis direction.
CONSTITUTION: By operating a knob 16, the lens holder continues to rotate counterclockwise and the energizing force of a toggle spring 41 acts in a direction where the counterclockwise rotation is promoted from the middle of the rotation of the lens holder. Then, the rotation is stopped in a state where a sector part 30 abuts on a stopper 37 as shown in figure B. At such a time, a macro lens 14 is positioned on the photographing optical axis 13 and a target mark 19 is interposed in a finder 18. In such a state, the lens holder is positioned and fixed between the spring 41 and the stopper 37. The mark 19 is interposed in a specified position departing from the center of the visual field of the finder 18, and the center of a viewing angle at the time of macro photographing is displayed. Therefore, the compensation of parallax is performed by taking the mark 19 as a reference.
COPYRIGHT: (C)1991,JPO&Japio，下面是Camera专利的具体信息内容。
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