Optical imaging system
First Claim
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1. An optical imaging system, comprising:
- a first lens comprising a negative refractive power and a concave object-side surface;
a second lens comprising a concave object-side surface;
a third lens;
a fourth lens comprising a negative refractive power and a convex object-side surface;
a fifth lens; and
a sixth lens comprising an inflection point formed on an image-side surface thereof,wherein the first to sixth lenses are sequentially disposed from an object side toward an imaging plane.
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Abstract
There is provided an optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a negative refractive power and a concave object-side surface. The second lens includes a concave object-side surface. The fourth lens includes a negative refractive power. The sixth lens includes an inflection point formed on an image-side surface thereof. The first to sixth lenses are sequentially disposed from an object side toward an imaging plane.
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Citations
15 Claims
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1. An optical imaging system, comprising:
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a first lens comprising a negative refractive power and a concave object-side surface; a second lens comprising a concave object-side surface; a third lens; a fourth lens comprising a negative refractive power and a convex object-side surface; a fifth lens; and a sixth lens comprising an inflection point formed on an image-side surface thereof, wherein the first to sixth lenses are sequentially disposed from an object side toward an imaging plane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification