Patent application number | Description | Published |
20080259454 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE LENS - A zoom lens easily performs image stabilization with a compact and light image-stabilizing lens unit, properly corrects an aberration change during image stabilization, and achieves high optical performance. The zoom lens includes a first positive lens unit, a second negative lens unit, a third positive lens unit, a fourth negative lens unit, and a fifth positive lens. These lens units are arranged in order from an object side toward an image side, and are moved during zooming. The fourth lens unit is formed by one lens component, and is moved in a direction having a component that is perpendicular to the optical axis for image shifting. The Abbe number of a negative lens that forms the fourth lens unit, the thickness of the fourth lens unit on the optical axis, and the focal length of the entire zoom lens at the wide angle end are set appropriately. | 10-23-2008 |
20090231726 | ZOOM LENS SYSTEM AND CAMERA INCLUDING THE SAME - A zoom lens system includes, in order from an object side to an image side, a first lens unit having a positive optical power, a second lens unit having a negative optical power, a third lens unit having a positive optical power, and a fourth lens unit having a positive optical power. The distances between the adjacent lens units are changed during zooming. By appropriately setting the lens configurations and focal lengths of the first lens unit and the second lens unit, a compact zoom lens system is realized. | 09-17-2009 |
20090251782 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE LENS - A zoom lens easily performs image stabilization with a compact and light image-stabilizing lens unit, properly corrects an aberration change during image stabilization, and achieves high optical performance. The zoom lens includes a first positive lens unit, a second negative lens unit, a third positive lens unit, a fourth negative lens unit, and a fifth positive lens. These lens units are arranged in order from an object side toward an image side, and are moved during zooming. The fourth lens unit is formed by one lens component, and is moved in a direction having a component that is perpendicular to the optical axis for image shifting. The Abbe number of a negative lens that forms the fourth lens unit, the thickness of the fourth lens unit on the optical axis, and the focal length of the entire zoom lens at the wide angle end are set appropriately. | 10-08-2009 |
20100245629 | ZOOM LENS AND IMAGE CAPTURING APPARATUS HAVING THE SAME - An image capturing apparatus includes a zoom lens, a solid-state image sensor which photoelectrically converts an image formed by the zoom lens, a processing unit which processes image data obtained by the solid-state image sensor, and a correction units which processes the image data from the processing unit to correct distortion aberration of the image formed by the zoom lens, and outputs the corrected image data. The lens arrangement of the zoom lens, and the length of the diagonal line of the image capturing area in correcting distortion aberration are appropriately set. | 09-30-2010 |
20100246026 | ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - Provided is a compact and high optical performance zoom lens system, including, in order of from an object side toward an image side: a first lens unit with a negative refractive power; a second lens unit with a positive refractive power; and a third lens unit with the positive refractive power, the first, second, and third lens units moving to perform zooming. The first lens unit includes a first lens element with the negative refractive power, and a second lens element with the positive refractive power in order of from the object side toward the image side, and in which a refractive index of a material of the first lens element (N | 09-30-2010 |
20110032402 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes, from an object side to an image side, first to fifth lens units having positive, negative, positive, negative, and positive refractive powers. A distance between the first and second lens units is longer, a distance between the second and third lens units is shorter, and a distance between the fourth and fifth lens units is longer at a telephoto end than at a wide angle end, and a distance between the third and fourth lens units differs between the telephoto end and the wide angle end. Focal lengths of the first and fourth lens units and the entire zoom lens at the wide angle end, a moving amount of the first lens unit during zooming, and a distance from a lens surface closest to the object side in the first lens unit to an image plane at the wide angle end are set properly. | 02-10-2011 |
20110080650 | ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens system comprises, from an object to an image side: a first, a second, a third, a fourth, and a fifth lens units, wherein all units move during zooming so that an interval between the first and second lens units is larger, an interval between the second and third lens units is smaller, an interval between the fourth and fifth lens units is larger, at a telephoto end than those at a wide angle end, and an interval between the third and fourth lens units varies; and a focal length of the second lens unit, a focal length of an entire system at the wide angle end, a movement amount of the fourth lens unit in zooming from wide angle end to telephoto end, and intervals between the third and fourth lens units at the wide angle end and at the telephoto end are set appropriately. | 04-07-2011 |
20110157717 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - Provided is a zoom lens including, in order from an object side to an image side: a positive first lens unit having two positive lenses and a negative lens; a negative second lens unit having positive and negative lenses; a positive third lens unit; and a rear group including lens unit, wherein: with respect to a wide angle end, at a telephoto end, intervals between the first and second lens units, the second and third lens units, and the third lens unit and the rear group respectively change; and a focal length and an Abbe number of a material of the positive lens of the first lens unit that has a largest Abbe number among positive lenses, a refractive index and an Abbe number of a material of the positive lens of the second lens unit, and a focal length of the first lens unit are set appropriately. | 06-30-2011 |
20120162776 | ZOOM LENS AND IMAGE PICKUP APPARATUS EQUIPPED WITH SAME - A zoom lens includes, in order from its object side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and a third lens unit having a positive refractive power. At a time of zooming from the wide angle end to the telephoto end, the lens units move in such a way that the distance between the first lens unit and the second lens unit decreases and the distance between the second lens unit and the third lens unit increases. The zoom lens satisfies the conditions “0.35<|f1|/ft<0.55” and “1.8006-28-2012 | |
20130100335 | ZOOM LENS AND IMAGE PICKUP APPARATUS INCLUDING THE SAME - A zoom lens includes, in order from an object side to an image side, first to fifth lens units respectively having positive, negative, positive, negative, and positive refractive powers. During zooming from a wide-angle end to a telephoto end, each of the lens units moves in such a way that a distance between the first and second lens units increases, a distance between the second and third lens units decreases, a distance between the third and fourth lens units increases, and a distance between the fourth and fifth lens units increases. The distances D | 04-25-2013 |
20130242408 | ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME - A zoom lens includes first to fifth lens units arranged sequentially from object to image sides and having respective refractive powers. Compared to a wide-angle end, at a telephoto end, the distance between the first and second lens units, the distance between the third and fourth lens units, and the distance between the fourth and fifth lens units are increased, and the distance between the second and third lens units is decreased. Compared to the wide-angle end, at the telephoto end, the first lens unit is positioned closer to the object side. The first and second lens units each consist of a positive lens element and a negative lens element. The distances between the third and fourth lens units at the wide-angle and telephoto ends D | 09-19-2013 |