Patent ID: 9726856
Date: 2017-08-08
CPC Classifications: G02B

Claim:
1. An optical imaging lens set, from an object side toward an image side in order along an optical axis comprising: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element, said first to sixth lens elements having an object-side surface facing toward the object side as well as an image-side surface facing toward the image side, wherein: said first lens element has an image-side surface with a concave part in a vicinity of its periphery; said second lens element has negative refractive power; said third lens element has an image-side surface with a convex part in a vicinity of its periphery; said fourth lens element has positive refractive power, and has an object-side surface with a convex part in a vicinity of the optical axis; said fifth lens element has an object-side surface with a convex part in a vicinity of the optical axis, and has an image-side surface with a concave part in a vicinity of the optical axis; said sixth lens element has an image-side surface with a concave part in a vicinity of the optical axis, an image-side surface with a convex part in a vicinity of its periphery; and wherein the optical imaging lens set does not include any lens element with refractive power other than said first, second, third, fourth, fifth and sixth lens elements.