一、前言 1984年11月,在机械工业部仪表局主持下,北京电影机械研究所研制的STS16台式缩微摄影机通过了鉴定。计划从1985年开始投入小批量试制生产,以满足我国各部门在文献资料管理现代化方面日益增长的对缩微设备的需要。本机是一种很实用的设备,占地小,比较轻便,易于维护,运输方便,因此既可在 I. Introduction In November 1984, under the auspices of the Bureau of Mechatronics of the Ministry of Machinery Industry, the STS16 desktop miniature camera developed by Beijing Film Machinery Research Institute passed the appraisal. It is planned to start trial production in small quantities in 1985 to meet the growing demand for microfilming equipment in various departments in our country for the modernization of documentary materials management. This machine is a very practical equipment, small footprint, more portable, easy to maintain, easy to transport, so both