Optical imaging system
The present disclosure discloses an optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens, each of which has refractive power. An object-side surface of the second lens is a convex surface, and an imag...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present disclosure discloses an optical imaging system including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens, each of which has refractive power. An object-side surface of the second lens is a convex surface, and an image-side surface thereof is a concave surface; an object-side surface of the fourth lens is a convex surface, and an image-side surface thereof is a concave surface; an object-side surface of the fifth lens is a concave surface, and an image-side surface thereof is a convex surface; and each of the third lens and the sixth lens has positive refractive power. A radius of curvature R11 of an object-side surface of the sixth lens and a radius of curvature R12 of an image-side surface of the sixth lens satisfy 0.5 |
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