IMAGING OPTICAL LENS SYSTEM, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

Abstract: an imaging optical lens system includes five 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 and a fifth lens element. the first lens element has positive refractive power. the second lens element has an image-side surface being concave in a paraxial region thereof. the third lens element 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 fourth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.

Inventor(s): Kuan-Ting YEH, Cheng-Yu TSAI

CPC Classification: G02B13/0045 ({having five or more lenses})

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