Invention Grant
- Patent Title: Zoom lens and imaging apparatus
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Application No.: US17739898Application Date: 2022-05-09
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Publication No.: US12158567B2Publication Date: 2024-12-03
- Inventor: Hisayuki Yamanaka
- Applicant: TAMRON CO., LTD.
- Applicant Address: JP Saitama
- Assignee: TAMRON CO., LTD.
- Current Assignee: TAMRON CO., LTD.
- Current Assignee Address: JP Saitama
- Agency: Paratus Law Group, PLLC
- Priority: JP2021-106603 20210628
- Main IPC: G02B15/14
- IPC: G02B15/14 ; G02B15/16

Abstract:
Provided are: a zoom lens including, in order from an object side, a positive first lens group, a negative second lens group, an intermediate group as a whole, a negative lens group, and a rear group, wherein the intermediate group includes, in order from an object side, a first positive lens subgroup including one or two positive lenses, a first negative lens subgroup including only one cemented lens, a second negative lens subgroup including a negative lens with a concave surface facing an object, and a second positive lens subgroup including one or two positive lenses, the cemented lens constituting the first negative lens subgroup has at least one cemented surface with a convex surface facing an object, and a lens, closest to an image, of the second positive lens subgroup is a positive lens; and an imaging apparatus including the zoom lens.
Public/Granted literature
- US20230003983A1 ZOOM LENS AND IMAGING APPARATUS Public/Granted day:2023-01-05
Information query