Photographing lens and electronic apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorHiroyuki Hagiwara
Life of this patent
Estimating the term…
Abstract
Provided are photographing lenses and an electronic apparatus. The photographing lenses include a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens; a fourth lens, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power. The first to sixth lenses are sequentially arranged from an object side to an image side, and an image-side surface of the sixth lens is concave toward the image side in a region around an optical axis.
Claims20
Photographing lenses comprising:
- a first lens having a positive refractive power;
- a second lens having a negative refractive power;
- a third lens;
- a fourth lens;
- a fifth lens having a positive refractive power;
- and
- a sixth lens having a negative refractive power,
- wherein the first to sixth lenses are sequentially arranged from an object side to an image side, an image-side surface of the sixth lens is concave toward the image side in a region around an optical axis, and the photographing lenses satisfy the following formula:
- <Formula>
- −1.0<r42/f,
- where r42 denotes a paraxial radius of curvature of an image-side surface of the fourth lens, and f denotes a focal length of the photographing lenses.
Photographing lenses comprising:
- a first lens having a positive refractive power;
- a second lens having a negative refractive power;
- a third lens;
- a fourth lens;
- a fifth lens having a positive refractive power;
- and
- a sixth lens having a negative refractive power,
- wherein the first to sixth lenses are sequentially arranged from an object side to an image side, an image-side surface of the sixth lens is concave toward the image side in a region around an optical axis, and the photographing lenses satisfy the following formulas:
- <Formula>
- r11<|r12|,
- |r52|<|r42|,
- where r11 denotes a paraxial radius of curvature of an object-side surface of the first lens, r12 denotes a paraxial radius of curvature of an image-side surface of the first lens, r42 denotes a paraxial radius of curvature of an image-side surface of the fourth lens, and r52 denotes a paraxial radius of curvature of an image-side surface of the fifth lens.
Photographing lenses comprising:
- a first lens having a positive refractive power;
- a second lens having a negative refractive power;
- a third lens;
- a fourth lens;
- a fifth lens having a positive refractive power;
- and
- a sixth lens having a negative refractive power,
- wherein the first to sixth lenses are sequentially arranged from an object side to an image side, an image-side surface of the fourth lens is concave toward the image side in a region around an optical axis, and an image-side surface of the sixth lens is concave toward the image side in a region around the optical axis.
Dependencies are inferred from the claim text.