20250189763. Optical Imaging Len (LARGAN PRECISION ., .)
OPTICAL IMAGING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE
Abstract: an optical imaging lens assembly 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 an image-side surface being concave in a paraxial region thereof. the second lens element has an object-side surface being concave in a paraxial region thereof. the third lens element has an object-side surface being concave in a paraxial region thereof. the fourth 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. at least one surface of at least one lens element in the optical imaging lens assembly has at least one critical point in an off-axis region thereof.
Inventor(s): Chun-Yen CHEN, Tzu-Chieh KUO
CPC Classification: G02B13/0045 ({having five or more lenses})
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