Imaging lens system and electronic device

An imaging lens system is provided. The imaging lens system includes a first lens having refractive power; a second lens having positive refractive power and having a concave image-side surface; a third lens having refractive power; a fourth lens having positive refractive power and having a concave...

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Main Authors SHIN, KIL-SOO, SEO, SOT-EUM
Format Patent
LanguageChinese
English
Published 11.03.2023
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Abstract An imaging lens system is provided. The imaging lens system includes a first lens having refractive power; a second lens having positive refractive power and having a concave image-side surface; a third lens having refractive power; a fourth lens having positive refractive power and having a concave image-side surface; a fifth lens having a concave object-side surface; a sixth lens having a concave image-side surface; a seventh lens having a convex object-side surface; and an eighth lens having refractive power, wherein the first to eighth lenses are sequentially arranged from an object-side to an imaging side, and the imaging lens system satisfies the following conditional expression: 0.15 < BFL/TTL, where BFL is a distance from an image-side surface of the eighth lens to an imaging plane, and TTL is a distance from an object-side surface of the first lens to the imaging plane. An electronic device is also provided.
AbstractList An imaging lens system is provided. The imaging lens system includes a first lens having refractive power; a second lens having positive refractive power and having a concave image-side surface; a third lens having refractive power; a fourth lens having positive refractive power and having a concave image-side surface; a fifth lens having a concave object-side surface; a sixth lens having a concave image-side surface; a seventh lens having a convex object-side surface; and an eighth lens having refractive power, wherein the first to eighth lenses are sequentially arranged from an object-side to an imaging side, and the imaging lens system satisfies the following conditional expression: 0.15 < BFL/TTL, where BFL is a distance from an image-side surface of the eighth lens to an imaging plane, and TTL is a distance from an object-side surface of the first lens to the imaging plane. An electronic device is also provided.
Author SHIN, KIL-SOO
SEO, SOT-EUM
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Snippet An imaging lens system is provided. The imaging lens system includes a first lens having refractive power; a second lens having positive refractive power and...
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SubjectTerms OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
Title Imaging lens system and electronic device
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