发明名称 Imaging lens and imaging apparatus using imaging lens
摘要 An imaging lens is provided and includes, in order from the object side, a front group having a negative power, a stop, and a rear group having a positive power. The front group includes, in order from the object side, a first negative lens having a meniscus shape with a concave surface on an image side, a second negative lens, and a third positive lens. The rear group includes, in order from the object side, a fourth positive lens, a fifth negative lens having a meniscus shape with a concave surface on the object side, and a sixth positive lens. An Abbe number of each of the first lens, the second lens, the fourth lens, and the sixth lens at the d-line is equal to or larger than 40, and an Abbe number of each of the third lens and the fifth lens at the d-line is equal to or smaller than 40. Each lens constituting the front group and the rear group is a single lens.
申请公布号 US8248715(B2) 申请公布日期 2012.08.21
申请号 US20090635014 申请日期 2009.12.10
申请人 ASAMI TARO;OTOMO RYOKO;FUJIFILM CORPORATION 发明人 ASAMI TARO;OTOMO RYOKO
分类号 G02B9/62;G02B13/04 主分类号 G02B9/62
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