Photographing optical lens system, image capturing unit and electronic device
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United States of America Patent
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Jun 6, 2023
Grant Date -
May 27, 2021
app pub date -
Jan 8, 2021
filing date -
Aug 11, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A photographing optical lens system includes, in order from an object side to an image side, 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 second lens element has positive refractive power. The eighth lens element has an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the eighth lens element has at least one convex shape in an off-axis region thereof, and both an object-side surface and the image-side surface thereof are aspheric. The photographing optical lens system has a total of eight lens elements. An air gap in a paraxial region is located between every two lens elements of the photographing optical lens system that are adjacent to each other.
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