发明名称 IMAGING LENS AND IMAGING APPARATUS
摘要 PROBLEM TO BE SOLVED: To provide an imaging lens which has a wide angle of view and aberrations satisfactorily corrected and an imaging apparatus including the imaging lens.SOLUTION: The imaging lens comprises, in order from an object side, a negative first lens group G1, a diaphragm St, and a positive second lens group G2. The first lens group G1 comprises, in order from the object side, a first-a lens group G1a which comprises one positive lens and three negative lenses and is negative as a whole and a first-b lens group G1b which has two or more positive lenses and one or more negative lenses and is positive as a whole. The second lens group G2 includes, in order from the object side, a positive lens, a second-a cemented lens C2a in which a negative lens and a positive biconvex lens are cemented in this order from the object side, and a second-b cemented lens C2b in which a positive biconvex lens and a negative lens are cemented in this order from the object side. Only the second lens group is moved to perform focusing.SELECTED DRAWING: Figure 1
申请公布号 JP2016218170(A) 申请公布日期 2016.12.22
申请号 JP20150100836 申请日期 2015.05.18
申请人 FUJIFILM CORP 发明人 SON HEI
分类号 G02B13/04 主分类号 G02B13/04
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