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US 2016/0097919 A1Published application
Zoom lens
AssigneeYoung Optics Inc.
InventorsYUAN-HUNG SU, KAI-YUN CHEN
Life of this patent
Estimating the term…
Abstract
A zoom lens is provided. The zoom lens includes a first lens group, a second lens group, a third lens group and an aperture stop. The second lens group is disposed between the first lens group and the third lens group. The aperture stop is disposed between the first lens group and the second lens group. When the zoom lens zooms, the aperture stop is fixed without moving and the first lens group correspondingly moves.
Claims20
A zoom lens, comprising:
- a first lens group;
- a second lens group;
- a third lens group;
- and
- an aperture stop,
- wherein the second lens group is disposed between the first lens group and the third lens group, the aperture stop is disposed between the first lens group and the second lens group,
- wherein when the zoom lens zooms, the aperture stop is fixed without moving and the first lens group correspondingly moves.
4 more elements
Dependencies are inferred from the claim text.