Abstract: A camera lens group, along an optical axis from an object side to an image side, sequentially includes a first lens to a seventh lens. The first lens has positive refractive power; the second lens has refractive power; the third lens has refractive power; the fourth lens has refractive power, a convex object-side surface, and a convex image-side surface; the fifth lens has refractive power, a convex object-side surface, and a concave image-side surface; the sixth lens has refractive power, and a concave image-side surface; and the seventh lens has refractive power. A total effective focal length f of the camera lens group and an entrance pupil diameter EPD of the camera lens group satisfy: f/EPD<1.45.

Abstract: The present application discloses a camera lens, comprising, in order from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens having a positive refractive power, an object side surface thereof being convex; a third lens having a refractive power; a fourth lens having a refractive power, an object side surface thereof being convex; and a fifth lens having a refractive power. An effective focal length f2 of the second lens and an effective focal length f1 of the first lens satisfy: 0.3<f2/f1<0.7, and a distance TTL from an object side surface of the first lens to an imaging plane of the camera lens on the optical axis and an entrance pupil diameter EPD of the camera lens satisfy: TTL/EPD<2.5.

Abstract: An optical imaging lens is provided. The optical imaging lens includes sequentially from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens with a refractive power, an object side surface of the third lens being a convex surface, an image side surface of the third lens being a concave surface; a fourth lens with refractive power, an object side surface of the fourth lens being a convex surface, an image side surface of the fourth lens being a concave surface a fifth lens with a negative refractive power, an object side surface of the fifth lens being a convex surface, an image side surface of the fifth lens being a concave surface; and a sixth lens with a refractive power.

Abstract: The present disclosure discloses a camera lens group, along an optical axis from an object side to an image side, sequentially includes: a first lens having positive refractive power; a second lens having refractive power; a third lens having refractive power; a fourth lens having refractive power, an object-side surface of the fourth lens being a convex surface, and an image-side surface of the fourth lens being a convex surface; a fifth lens having refractive power, an object-side surface of the fifth lens being a convex surface, and an image-side surface of the fifth lens being a concave surface; a sixth lens having refractive power, and an image-side surface of the sixth lens being a concave surface; and a seventh lens having refractive power. A total effective focal length f of the camera lens group and an entrance pupil diameter EPD of the camera lens group satisfy: f/EPD<1.45.

Abstract: The present application discloses a camera lens, comprising, in order from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens having a positive refractive power, an object side surface thereof being convex; a third lens having a refractive power; a fourth lens having a refractive power, an object side surface thereof being convex; and a fifth lens having a refractive power. An effective focal length f2 of the second lens and an effective focal length f1 of the first lens satisfy: 0.3<f2/f1<0.7, and a distance TTL from an object side surface of the first lens to an imaging plane of the camera lens on the optical axis and an entrance pupil diameter EPD of the camera lens satisfy: TTL/EPD<2.5.

Abstract: An optical imaging lens is provided. The optical imaging lens includes sequentially from an object side to an Image side along an optical axis: a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens with a refractive power, an object side surface of the third lens being a convex surface, an image side surface of the third lens being a concave surface;; a fourth lens with refractive power, an object side surface of the fourth lens being a convex surface, an image side surface of the fourth lens being a concave surface a fifth lens with a negative refractive power, an object side surface of the fifth lens being a convex surface, an image side surface of the fifth lens being a concave surface; and a sixth lens with a refractive power.

Abstract: A male circumcision and suture device includes a glans receiver socket including a glans socket for inserting into an excess foreskin of a patient and a socket shaft extended from the glans socket, an operation housing having a shaft channel extended from a front edge, an annular cutter coaxially coupled at the front edge of the operation housing, a plurality of staples spacedly disposed at the front edge of the operation housing, and two operation handles pivotally coupled at the operation housing to actuate the annular cutter and the staples at the same time. When the operation handles to are concurrently and pivotally actuated, the annular cutter is pushed out of the front edge of the operation housing for removing the excess foreskin of the patient and at the same time, the staples are pushed for applying stitches at a cut area of the excess foreskin of the patient.

Abstract: A male circumcision and suture device includes a glans receiver socket including a glans socket for inserting into an excess foreskin of a patient and a socket shaft extended from the glans socket, an operation housing having a shaft channel extended from a front edge, an annular cutter coaxially coupled at the front edge of the operation housing, a plurality of staples spacedly disposed at the front edge of the operation housing, and two operation handles pivotally coupled at the operation housing to actuate the annular cutter and the staples at the same time. When the operation handles to are concurrently and pivotally actuated, the annular cutter is pushed out of the front edge of the operation housing for removing the excess foreskin of the patient and at the same time, the staples are pushed for applying stitches at a cut area of the excess foreskin of the patient.