发明名称 ZOOM LENS
摘要 PROBLEM TO BE SOLVED: To provide an inexpensive compact zoom lens of high resolution and with less distortion, and constituted of a small number of lenses by effectively arranging an aspherical lens molded of resin material. SOLUTION: The zoom lens is constituted of a first lens group and a second lens group in order from an object side, the first lens group has a negative refractive power and the first lens group is constituted by arranging a first meniscus lens having a negative refractive power (hereinafter, referred to as a negative lens) and a second meniscus lens having a small positive or negative refractive power, the second lens group has a positive refractive power, and the second lens group is constituted by arranging a third lens as a lens having a positive refractive power (positive lens), a fourth meniscus lens having a small positive or negative refractive power, a fifth lens as a negative lens, and a sixth lens as a positive lens, and the power is varied by shifting the first lens group and the second lens group.
申请公布号 JP2003084197(A) 申请公布日期 2003.03.19
申请号 JP20010278210 申请日期 2001.09.13
申请人 CASIO COMPUT CO LTD 发明人 KAWAKAMI ETSURO
分类号 G02B15/16;G02B13/18;(IPC1-7):G02B15/16 主分类号 G02B15/16
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