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资料显示,1956年正值日本理研光学工业公司成立20周年。为此,该公司在东京开展了大规模的展销交流活动,活动期间展销了4款新版理光120双反相机和4款旁轴取景的135相机等产品。展销同时还进行了购机抽奖活动,为1111名中奖者提供赴美留学的奖学金。展销会上推出的这4款新版理光120相机,其中3款为齿轮调焦的理光
Data show that 1956 coincided with the 20th anniversary of the Riken Optical Industrial Corporation. To this end, the company conducted a large-scale exhibition and exchange event in Tokyo. During the event, four new models of Ricoh 120 dual-camera cameras and four paraxial-view 135 cameras were sold. In the meantime, the company also conducted purchase raffle to provide 1111 winners with scholarships to study in the United States. The four new Ricoh 120 cameras introduced at the fairs, three of which are gear-focused Ricoh