Abstract: An optical imaging system includes a first lens having negative refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first to seventh lenses are sequentially disposed from an object side toward an image side. The third lens, the fourth lens, the sixth lens, and the seventh lens are formed of plastic, and the first lens, the second lens, and the fifth lens are formed of glass.

Abstract: A camera module includes a first lens barrel including a first lens, a second lens barrel including a second lens that is aligned with the first lens in an optical axis direction, and a stop module disposed between the first lens barrel and the second lens barrel. The stop module includes blades configured to form one or more incidence holes having various sizes. The stop module includes a magnet portion including a driving magnet opposing a driving coil, and the magnet portion moves back and forth rectilinearly.

Abstract: An image capturing lens system includes a first lens having negative refractive power, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having refractive power, a sixth lens having refractive power, a seventh lens having positive refractive power, and an eighth lens having refractive power. The first to eighth lenses are sequentially disposed from an object side. The first lens and the fourth lens are formed of a glass material. The second lens, the third lens, the fifth lens, the sixth lens, the seventh lens, and the eighth lens are formed of a plastic material.

Abstract: An optical imaging system includes a first lens having negative refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having negative refractive power; a fifth lens having positive refractive power; a sixth lens having positive refractive power; and a seventh lens having negative refractive power. At least five of the lenses are made of a plastic material.

Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extended along a periphery of at least a portion of the optical portion, and a lens barrel accommodating the lens. The lens includes a first D-cut portion on one side surface of the flange portion spaced apart from the lens barrel and a second D-cut portion on another side surface of the flange portion spaced apart from the lens barrel, wherein the first D-cut portion and the second D-cut portion each include first inclined surfaces, and the first inclined surfaces are spaced apart from respective ends of the first D-cut portion and the second D-cut portion by a predetermined interval.

Abstract: A camera module includes a first lens barrel including a first lens, a second lens barrel including a second lens that is aligned with the first lens in an optical axis direction, and a stop module disposed between the first lens barrel and the second lens barrel. The stop module includes blades configured to form one or more incidence holes having various sizes. The stop module includes a magnet portion including a driving magnet opposing a driving coil, and the magnet portion moves back and forth rectilinearly.

Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extended along a periphery of at least a portion of the optical portion, and a lens barrel accommodating the lens. The lens includes a first D-cut portion on one side surface of the flange portion spaced apart from the lens barrel and a second D-cut portion on another side surface of the flange portion spaced apart from the lens barrel, wherein the first D-cut portion and the second D-cut portion each include first inclined surfaces, and the first inclined surfaces are spaced apart from respective ends of the first D-cut portion and the second D-cut portion by a predetermined interval.

Abstract: An optical imaging system includes a first lens having negative refractive power, a second lens having negative refractive power, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first to seventh lenses are sequentially disposed from an object side toward an image side. The third lens, the fourth lens, the sixth lens, and the seventh lens are formed of plastic, and the first lens, the second lens, and the fifth lens are formed of glass.

Abstract: A lens assembly includes a lens having an optical portion and a flange portion at a periphery of the optical portion, a spacer having an incident hole through which light passes, and a lens barrel accommodating the lens and the spacer. The lens includes a first D-cut portion and a second D-cut portion formed on a side surface and another side surface of the flange portion in a state of non-contact with the lens barrel, and circular arc portions connecting the first and second D-cut portions to each other. The spacer includes blocking portions having a shape corresponding to a shape of the first and second D-cut portions, and first curved portions having a shape corresponding to a shape of the circular arc portions on an inner side surface, and transmission portions formed in locations in which the blocking portions and the first curved portions are connected to each other.

Abstract: A lens assembly includes a lens including an optical portion refracting light and a flange portion extended along a periphery of at least a portion of the optical portion, and a lens barrel accommodating the lens. The lens includes a first D-cut portion on one side surface of the flange portion spaced apart from the lens barrel and a second D-cut portion on another side surface of the flange portion spaced apart from the lens barrel, wherein the first D-cut portion and the second D-cut portion each include first inclined surfaces, and the first inclined surfaces are spaced apart from respective ends of the first D-cut portion and the second D-cut portion by a predetermined interval.

Abstract: An attachable lens module includes: a housing including an internal space; a fixed lens group mounted in the internal space and including a lens aligned on an optical axis of the lens module; and a moving lens group comprising a moving lens, and configured to move along a guide rail mounted in the housing to be aligned with the fixed lens group on the optical axis.

Abstract: A lens barrel may be detachably coupled to a capturing device may comprise a first lens assembly having first lenses mounted therein. A second lens assembly may be coupled to the first lens assembly and may have second lenses mounted therein. The second lenses may be aligned with the first lenses along an optic axis, and an adjusting portion may be provided in the first lens assembly and may be configured to adjust a position of the first lenses relative to the second lenses along a direction the optic axis by an electromagnetic force.

Abstract: A digital camera includes a first frame formed of a thermal conductive material; an imaging unit disposed in front of the first frame; an optical system including lenses and focusing image light on the imaging unit; a first display unit disposed on a rear portion of the first frame; a first heat generator that located at a side surface of the optical system and disposed on a front portion of the first frame; a second heat generator disposed on a front portion of the first heat generator; a second frame formed of a thermal conductive material, and disposed between the first heat generator and the second heat generator; a third frame formed of a thermal conductive material, and disposed on a front portion of the second heat generator; and a second display unit disposed on a front portion of the third frame.

Abstract: A digital camera includes a first frame formed of a thermal conductive material; an imaging unit disposed in front of the first frame; an optical system including lenses and focusing image light on the imaging unit; a first display unit disposed on a rear portion of the first frame; a first heat generator that located at a side surface of the optical system and disposed on a front portion of the first frame; a second heat generator disposed on a front portion of the first heat generator; a second frame formed of a thermal conductive material, and disposed between the first heat generator and the second heat generator; a third frame formed of a thermal conductive material, and disposed on a front portion of the second heat generator; and a second display unit disposed on a front portion of the third frame.