发明名称 COMBINED LENS AND PROJECTOR
摘要 PROBLEM TO BE SOLVED: To provide a combined lens suitable for optical devices that are required to be compact.SOLUTION: A combined lens 30 of this invention comprises: a first lens group 22A formed of at least one lens; a second lens group 23A formed of at least one lens; and a frame 5 that is a connection member to connect the first lens group 22A and the second lens group 23A. Each of the at least one lens constituting the first lens group 22A comprises a first lens holder 26 that is a fitting part fitted to the connection member. Each of the at least one lens constituting the second lens group 23A comprises a second lens holder 27 that is a fitting part fitted to the connection member. The first lens group 22A can move along the connection member.
申请公布号 JP2015106131(A) 申请公布日期 2015.06.08
申请号 JP20130249459 申请日期 2013.12.02
申请人 SEIKO EPSON CORP 发明人 KUROI SEIJI
分类号 G02B7/02;G02B7/04;G02B13/00;G02B13/18;G03B21/14 主分类号 G02B7/02
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