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Match Document Document Title
7453650 Zoom optical system and electronic imaging apparatus having the same  
An electronic imaging apparatus includes a zoom optical system having, in order from the object side, a first lens unit with positive power, a second lens unit with negative power, and an aperture...
7453649 Zoom lens and image pickup device  
A zoom lens includes 10 or less lens elements and having a zoom ratio of more than 20×, said zoom lens having first, second, third, and fourth groups of lens elements placed in turn from object...
7453647 Commom zoom optical system  
The common zoom optical system is provided that is almost commonly used in a plurality of zoom lenses as a component and that is capable of suppressing fluctuation in aberrations and deviation in...
7450316 Zoom lens system and image pickup apparatus using the same  
A zoom lens system comprises, in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third lens unit having a...
7450315 Zoom lens  
A zoom lens includes, in order from an object side, a first group having a positive refractive power, a second group having a negative refractive power, a diaphragm, a third group having a positive...
7446947 Variable magnification optical system and image taking apparatus provided therewith  
A variable magnification optical system includes lens units that focus a ray of light from an object side on an image sensor, in which the lens unit located at a first position from the object side...
7443607 Zoom lens, and image-capturing apparatus  
A sufficiently compact zoom lens equipped with a vibration-control function is provided. The zoom lens includes, in sequence from an object, a first lens group having positive refractive power, a...
7443606 Zoom lens system and image pickup apparatus having the same  
At least one exemplary embodiment is directed to a zoom lens system, which includes, in order from an object side to an image side, a first lens unit of positive optical power, a second lens unit...
7443605 Zoom lens, imaging device, and camera having imaging device  
A zoom lens has a field view of 60° to 70° at a wide-angle end, a magnification change ratio of about five to six times, and a small number of component lenses, enables retraction to a compact...
7430079 Zoom lens and imaging system using the same  
The invention relates to a high-performance, high-zoom-ratio zoom lens that can be much more reduced in terms of thickness upon received at a collapsible lens mount, and an imaging system...
7426085 Lens barrel, imaging device and camera  
In a lens barrel for holding an imaging optical system that forms an optical image of an object, the imaging optical system comprises an object side lens unit 4 onto which light ray from the...
7423810 Zoom lens system, lens barrel, imaging device and camera  
A zoom lens system comprising a plurality of lens units each composed of at least one lens element, wherein an interval between at least any two lens units is changed so that an optical image is...
7420746 Zoom lens system and image pickup apparatus having the same  
A zoom lens system, which has a high zoom ratio while having a high optical performance, includes, in order from an object side to an image side, a first lens unit having a positive optical power,...
7420745 Zoom lens and information device  
A zoom lens includes, in order from an object side, a first lens group having a positive refracting power, a second lens group having a negative refracting power, a third lens group having a...
7417802 Zoom lens and image pickup apparatus equipped with same  
A zoom lens comprises, in the following order from the object side to the image side, a positive first lens unit, a negative second lens unit, which moves during zooming, a positive third lens...
7417801 Image pickup optical system and image pickup apparatus  
An image pickup optical system according to the present invention includes: a first lens group having a positive power; a second lens group having a negative power; a third lens group having a...
7411741 Zoom lens system including reflective surface which reflects optical path and image pickup apparatus including the system  
There is disclosed a zoom lens system including, in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, a third...
7408720 Zoom lens and image pickup apparatus having same  
A zoom lens has a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, which is moved during zooming, a third lens unit having a positive...
7403344 Lens Assembly  
A lens assembly suitable for use in miniature cameras is disclosed. The lens assembly can have a plurality of glass lenses having spherical surfaces and a single plastic lens having aspheric...
7400453 Zoom lens  
A zoom lens is provided and has a first group having a positive refractive power, a second group having a negative refractive power, an aperture stop, a third group having a positive refractive...
7394599 Zoom lens and projector with zoom lens  
A zoom lens includes a first lens group having positive or negative refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, and...
7382552 Zoom optical system  
A zoom optical system includes in order from a reduction side to a magnification side: a first lens unit having a positive optical power; a second lens unit having a negative optical power; a third...
7382549 Zoom lens and imaging system incorporating it  
The invention relates to a high-performance, high-zoom-ratio zoom lens that is reduced in length upon received at a collapsible lens mount. The zoom lens is a four-group zoom lens comprising a...
7375901 Zoom lens  
A zoom lens is provided and includes a first lens group, a second lens group, an aperture diaphragm, a third lens group, and a fourth lens group in order from the object side. The first lens group...
7372636 Zoom lens and image-taking device  
A zoom lens including subsequently from an object side of the zoom lens to an image side of the zoom lens: a first lens group with a positive focal length; a second lens group with a negative focal...
7372635 Optical path bending type zoom lens system and image taking apparatus including the same  
A zoom lens system comprises, in order from an object side, a positive first lens unit including a reflective optical element, a negative second lens unit, a positive third lens unit and a positive...
7369325 High zoom ratio zoom lens system  
Providing a high zoom ratio zoom lens system having a short total lens length and a small diameter of the first group despite of securing excellent optical performance, a half angle of view of...
7365913 Zoom lens system and camera incorporating the same  
A zoom lens system comprises a 1st lens unit with positive optical power consisting of one lens element, a 2nd lens unit with negative optical power, a 3rd lens unit with positive optical power and...
7365911 Zoom lens and image pickup apparatus  
A zoom lens including a first lens group having a positive refractive power, a second lens group having a negative refractive power, a third lens group having a positive refractive power, a fourth...
7362511 Zoom lens system for microscope and microscope using the same  
A zoom lens system for a microscope includes, in the following order from the object side, a first lens group having a positive refractive power, a second lens group having a negative refractive...
7362510 Zoom lens and image pickup apparatus  
A zoom lens with a reduced overall length having a color separating prism therein and a telecentric property with a first lens group (GI) having a positive refractive power and having a fixed...
7359126 Projection zoom lens and projection display device which uses same  
A projection zoom lens includes six lens groups, four of which move along the optical axis during zooming. Of the lens groups that move during zooming, the one nearest the reducing side moves to a...
7356251 Assembly-stage focus adjustment mechanism of a zoom lens  
An assembly-stage focus adjustment mechanism of a zoom lens barrel including a plurality of lens groups which are moved while distances therebetween are changed to perform a zooming operation, the...
7339748 Variable magnification optical system  
A variable magnification optical system for forming an optical image of an object on a light-receiving surface of an image sensor with variable magnification includes: from the object side, at...
7333274 Image taking apparatus equipped with a zoom lens system  
An image taking apparatus is equipped with a zoom lens system which comprises: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third...
7319562 Zoom lens system and image pickup apparatus including the zoom lens system  
At least one exemplary embodiment is directed to a zoom lens system, which includes a first, a second, a third, and a fourth lens units of positive, negative, positive, and positive refractive...
7315424 Zoom lens and image pickup apparatus having the same  
At least one exemplary embodiment is directed to a zoom lens configured to correct chromatic aberration and having a high optical performance over the entire zoom range. The zoom lens includes, in...
7315423 Zoom lens including four lens groups  
A zoom lens that is designed to enable a thinner image pickup device includes, in order from the object side, a first lens group having positive refractive power and a reflecting surface for...
7312932 Zoom lens system and image pickup apparatus having the same  
Disclosed is a zoom lens system, in order from an object side to an image side, including: a first lens unit having a positive optical power; a second lens unit having a negative optical power; a...
7304803 Zoom lens unit, imaging device and photographing device  
A zoom lens unit includes: a positive first lens group; a negative second lens group; and a positive subsequent lens group as a whole, the subsequent lens group includes a third lens group, and an...
7301711 Fast zoom lens system  
A fast zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group and a positive fourth lens group, in this order from the object. Upon...
RE39899 Image pickup system  
The invention provides a zoom lens system much more reduced in size and cost than ever before and best-suited for use on portable information terminals of small size. The zoom lens system...
7289274 Telescopic zoom lens system  
A telescopic zoom lens system includes first through fourth lens groups, wherein upon zooming from the short to long focal length extremities, the first and fourth lens groups remain stationary,...
7286304 Variable focal length lens system and imaging apparatus  
A variable focal length lens system includes: a first lens group having a positive refractive power; a second lens group having a negative refractive power; a third lens group having a positive...
7286299 Zoom lens and image sensing apparatus  
A zoom lens sequentially includes, along an optical axis from the object (to be imaged) side, a first lens group which has positive refracting power and is always fixed at a position in the optical...
7286298 Zoom lens  
In a zoom lens of this invention, a first lens group having a positive refraction power, a second lens group having a negative refraction power, a third lens group having a positive refraction...
7283311 Wide-angle zoom lens system  
A wide-angle zoom lens system includes a positive first lens group, a negative second lens group, a positive third lens group and a positive fourth lens group, in this order from the object. Upon...
7283310 Zoom lens, and imaging system incorporating it  
A zoom lens system includes a first group G 1 of positive power, a second group G 2 of negative power, a third group G 3 of positive power and a fourth group G 4 of positive power. Upon...
7277235 Zoom lens system  
Providing a zoom lens system that has a high zoom ratio, high optical performance, and compactness, and is easy to be manufactured. The zoom lens system includes, in order from an object, a first...
7277234 Zoom lens system and image-taking apparatus having the same  
A zoom lens system is disclosed, comprising, in order from an object side to an image side, a first lens unit with a positive refractive power, a second lens unit with a negative refractive power,...
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