Patent application number | Description | Published |
20100046091 | Objective Lens System - A high performance fixed focal length optical imaging system for example for a cine camera is operable to receive radiation from an object space and deliver the received radiation through the optical system so as to form an image at an image surface in an image space. The imaging system has the advantage of providing high relative illumination and high contrast at elevated spatial frequencies even when using a fast aperture. | 02-25-2010 |
20100166403 | Camera and Lens System - A camera assembly, preferably a cinematographic camera assembly, comprises a camera housing and a plurality of interchangeable lenses which can be attached to the camera housing for capturing an image. Each lens has a body and a lens system comprising at least one lens element that is movable relative to the lens body to alter the focus distance of the lens, the lens having a focal length that differs from the focal length of the each other lenses. Each lens has a focus scale on one of the lens system and the lens body that comprises a plurality of focus distance marks, and a focus index mark on the other of the lens system and the lens body. | 07-01-2010 |
20100259817 | VARIABLE POWER OPTICAL SYSTEM - Liquid lens cells are used in a compound variable power optical system that forms an intermediate image between the object and the final image. A first variable power optical component is located between the object and an intermediate real image. The first variable power optical component varies power to change the magnification of the intermediate real image. A second variable power optical component is located between the intermediate real image and the final image. The second variable power optical component varies power to change the magnification of the final image. At least one of the first and second variable power optical components is stationary on the optical axis and comprises at least two liquids with different refractive properties and at least one variable shape contact surface between the two liquids, with variations in the shape of the contact surface producing a change of optical power in the optical system. | 10-14-2010 |
20100259833 | VARIABLE POWER OPTICAL SYSTEM - Liquid lens cells are used in a variable power optical system. In one embodiment, a stop is located between a first lens group comprising at least a first liquid lens cell and a second lens group comprising at least a second liquid lens cell. In one embodiment, a liquid lens cell controls an incident angle of light rays on an image surface. | 10-14-2010 |
20110102913 | Objective Lens System - A high performance fixed focal length optical imaging system for example for a cine camera is operable to receive radiation from an object space and deliver the received radiation through the optical system so as to form an image at an image surface in an image space. The imaging system has the advantage of providing high relative illumination and high contrast at elevated spatial frequencies even when using a fast aperture. | 05-05-2011 |
20120038812 | Three-mirror anastigmat with at least one non-rotationally symmetric mirror - A three-mirror anastigmatic with at least one non-rotationally symmetric mirror is disclosed. The at least one non-rotationally symmetric mirror may be an electroformed mirror shell having a non-rotationally symmetric reflective surface formed by a correspondingly shaped mandrel. | 02-16-2012 |
20120281295 | VARIABLE POWER OPTICAL SYSTEM - Liquid lens cells are used in a variable power optical system. In one embodiment, a stop is located between a first lens group comprising at least a first liquid lens cell and a second lens group comprising at least a second liquid lens cell. In one embodiment, a liquid lens cell controls an incident angle of light rays on an image surface. | 11-08-2012 |
20140211312 | LIQUID OPTICS IMAGE STABILIZATION - A lens system suitable for use with a camera is disclosed. The lens system employs liquid optics to provide stabilization of an image. A liquid lens cell provides stabilization of the image. A second liquid lens cell may provide stabilization in another direction. A third liquid lens cell may liquid lens cells may provide compensation for changes in the focus position. | 07-31-2014 |
20140254025 | LIQUID OPTICS IN A ZOOM LENS SYSTEM AND IMAGING APPARATUS - A high performance zoom lens system suitable for use with a camera is disclosed. The zoom lens systems includes a movable lens group and a variable power stationary lens group employing liquid optics to provide optical performance over the zoom focal length range at focus distances from close to infinity. The system also provides relatively high quality imaging capability over a wide range of focal lengths and zoom settings. | 09-11-2014 |
20140285883 | VARIABLE POWER OPTICAL SYSTEM - Liquid lens cells are used in a compound variable power optical system that forms an intermediate image between the object and the final image. A first variable power optical component is located between the object and an intermediate real image. The first variable power optical component varies power to change the magnification of the intermediate real image. A second variable power optical component is located between the intermediate real image and the final image. The second variable power optical component varies power to change the magnification of the final image. At least one of the first and second variable power optical components is stationary on the optical axis and comprises at least two liquids with different refractive properties and at least one variable shape contact surface between the two liquids, with variations in the shape of the contact surface producing a change of optical power in the optical system. | 09-25-2014 |
20150055224 | VARIABLE POWER OPTICAL SYSTEM - Liquid lens cells are used in a variable power optical system. In one embodiment, the variable power optical system includes three liquid lens cell groups, wherein at least two of the lens cell groups are configured to provide a zoom function and at least one of the lens cell groups is configured to control an incident angle of light rays on an image surface. | 02-26-2015 |