专利名称：Automaticfocusing apparatus
发明人：Hiroshi Ohmura,Takashi Maemori,Toshio Ishii申请号：US06/736318申请日：19850521公开号：US04582411A公开日：19860415
摘要：An automatic focusing apparatus for use with a camera of the type having twointerchangeable lenses with different focal lengths, includes a ranging device for findingin which distance range is located an object to be photographed, i.e., close range or longrange. The ranging device is capable of shifting the position of the boundary betweenshort range and long range when interchanging lenses in order to widen the limits of therange in which either of the lenses can be focused better.
申请人：FUJI PHOTO FILM CO., LTD.
代理机构：Young & Thompson
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