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US 2018/0024324 A1Published application
Camera Lens
AssigneeAAC Technologies Pte. Ltd.
InventorHiroyuki Teraoka
Life of this patent
Estimating the term…
Abstract
A camera lens is disclosed. The camera lens includes a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power; and a sixth lens with negative refractive power. The camera lens further satisfies specific conditions.
Claims5
A camera lens comprising, arranged sequentially from an object side to an image side:
- a first lens with positive refractive power;
- a second lens with negative refractive power;
- a third lens with negative refractive power;
- a fourth lens with positive refractive power;
- a fifth lens with negative refractive power;
- and a sixth lens with negative refractive power;
- wherein
- the camera lens satisfies the following conditions (1)˜(2):
- 0.35≦f1/f≦0.50 (1)
- −1.00≦(R7+R8)/(R7−R8)≦−0.10 (2)
- where,
- f:
- overall focal distance of the camera lens;
- f1:
- focal distance of the first lens;
- R7:
- curvature radius of the fourth lens' object side surface;
- R8:
- curvature radius of the fourth lens' image side surface.
16 more elements
Dependencies are inferred from the claim text.