Back to results
US 2025/0155677 A1Published application
Zoom lens and imaging apparatus
AssigneeSony Group Corporation
InventorsTetsuichiro Okumura, Yoshio Hosono
Life of this patent
Estimating the term…
Abstract
A zoom lens according to the present disclosure includes, in order from a side of an object toward a side of an image plane: a first lens group having negative refractive power; a second lens group; a third lens group having positive refractive power; and a fourth lens group having negative refractive power, in which an interval between adjacent lens groups varies upon zooming, and the second lens group is fixed upon the zooming.
Claims8
A zoom lens comprising, in order from a side of an object toward a side of an image plane:
- a first lens group having negative refractive power;
- a second lens group;
- a third lens group having positive refractive power;
- and
- a fourth lens group having negative refractive power;
- wherein
- an interval between adjacent lens groups varies upon zooming, and
- the second lens group is fixed upon the zooming.
5 more elements
An imaging apparatus comprising:
- a zoom lens;
- and
- an imaging element that outputs an imaging signal corresponding to an optical image formed by the zoom lens,
- the zoom lens including, in order from a side of an object toward a side of an image plane
- a first lens group having negative refractive power,
- a second lens group,
- a third lens group having positive refractive power, and
- a fourth lens group having negative refractive power, wherein
- an interval between adjacent lens groups varies upon zooming, and
- the second lens group is fixed upon the zooming.
7 more elements
Dependencies are inferred from the claim text.