Patent classifications
G02B5/005
Camera Lens
A camera lens includes, arranged sequentially from an object side to an image side: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with positive refractive power; fourth lens with positive refractive power; and a fifth lens with negative refractive power. The camera lens satisfies specific conditions.
PHOTOGRAPHING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE
A photographing optical lens assembly 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 and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface. The second lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The third lens element has refractive power. The fourth lens element has refractive power, and an object-side surface and an image-side surface thereof are aspheric. The fifth lens element with negative refractive power has a concave image-side surface, wherein an object-side surface and the image-side surface thereof are aspheric, and at least one of the object-side surface and the image-side surface thereof has at least one inflection point.
IMAGING LENS ASSEMBLY MODULE, CAMERA MODULE AND ELECTRONIC DEVICE
An imaging lens assembly module has an optical axis, and includes an optical element set, a light blocking element assembling surface, and a light absorbing layer. The optical element set includes an optical lens element and a light blocking sheet. The optical lens element is a plastic lens element, and includes an optical effective portion and an outer peripheral portion. The light blocking sheet is disposed on the outer peripheral portion, and spaced apart from the outer peripheral portion. The light blocking sheet includes an object-side surface, an image-side surface and an inner opening surface. The inner opening surface surrounds a through hole of the light blocking sheet. The light blocking sheet is disposed on the light blocking element assembling surface. The light absorbing layer is disposed on the image-side surface and for fixing the light blocking sheet on the light blocking element assembling surface.
Objective optical system
The objective optical system includes in order from an object side, a first unit having a positive refractive power, a second unit having a negative refractive power, and a third unit having a positive refractive power, and focusing is carried out by moving the second unit, the first unit and the third unit are fixed at the time of focusing, and the first unit G1 includes in order from the object side, a negative lens L1, one of a positive lens and a cemented lens, and a positive lens, and the third unit includes a positive lens, and a cemented lens of a positive lens and a negative lens, and the objective optical system satisfies the following conditional expression (3)
−20<f.sub.2/f<−5 (3) where, f.sub.2 denotes a focal length of the second unit, and f denotes a focal length of the overall objective optical system in a normal observation state.
Lens barrel, optical apparatus, and method of manufacturing the lens barrel
A lens barrel includes a first lens holder 1, a second lens holder 2, a third lens holder 3, and elastically deformers 3a, 3b, and 3c integrally formed on the third lens holder to apply elastic forces on the second lens holder in an optical-axis direction. The second lens holder is arranged between the first lens holder and the third lens holder. The position of the second lens holder is adjustable in the direction orthogonal to an optical axis before the second lens holder is bonded.
CAMERA MODULE AND MOBILE TERMINAL HAVING THE SAME
Provided are a camera module and a mobile terminal having the same. The camera module includes a first lens assembly, a second lens assembly disposed to be adjacent to the first lens assembly, a lens cover accommodating the first and second lens assemblies and having first and second through holes allowing light to be incident to the first and second lens assemblies, an actuator provided on one side of the first and second lens assemblies to drive the first and second lens assemblies, one image sensor disposed below the first and second lens assemblies and converting light signals incident through the first and second lens assemblies into first and second image signals, and a camera case having a through hole formed on a front side thereof and accommodating the lens cover to allow light to be incident to the first and second lens assemblies through the through hole,
OPTICAL IMAGE CAPTURING SYSTEM
A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.
OPTICAL IMAGE CAPTURING SYSTEM
An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.
OPTICAL IMAGE CAPTURING SYSTEM
A four-piece optical lens for capturing image and a five-piece optical module for capturing image are provided. In the order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imagining quality for use in compact cameras.
OPTICAL IMAGE CAPTURING SYSTEM
An optical image capturing system includes, along the optical axis in order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. At least one lens among the first to the fifth lenses has positive refractive force. The fifth lens can have negative refractive force, wherein both surfaces thereof are aspheric, and at least one surface thereof has an inflection point. The lenses in the optical image capturing system which have refractive power include the first to the fifth lenses. The optical image capturing system can increase aperture value and improve the imaging quality for use in compact cameras.