Optical photographing lens system, image capturing unit and electronic device

Abstract

An optical photographing lens system includes eight lens elements which are, in order from an object side to an image side along an optical path: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element. The sixth lens element has an image-side surface being convex in a paraxial region thereof. The seventh lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. The eighth lens element with negative refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof. When specific conditions are satisfied, the requirements of compatctness and high image quality can be met by the optical photographing lens system, simultaneously.

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