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| Application No. | Application Title | Issue Date |
| 20090290864 | Viewing optical system and imaging apparatus using the same The invention provides a viewing optical system positioned between a viewing plane as a virtual plane and an eye point. The viewing optical system comprises, in order from the viewing plane side, a cemented lens in which at least one negative lens and at least one posit... | 11/26/2009 |
| 20090290863 | Viewfinder and imaging apparatus using the same The present invention provides a viewfinder, characterized by comprising a reflection type display device on which an object image is displayed, an eyepiece optical system having a front group and a rear group, an illumination optical system for illuminating the reflect... | 11/26/2009 |
| 20080292302 | OPTICAL APPARATUS AND MANUFACTURING METHOD OF OPTICAL APPARATUS A single lens reflex camera has a finder optical system that observes an image formed on a reticle by an objective lens, and a photometric device that measures light transmitted through the reticle via at least a part of the finder optical system, at a position shifted ... | 11/27/2008 |
| 20080267609 | Finder optical system for a single-lens reflex camera An eyepiece includes, in order from the object side, a first lens with positive power, a second lens with positive power, and a third lens with negative power. The first lens is a positive meniscus lens with a convex surface facing the object side, and the eyepiece fail... | 10/30/2008 |
| 20080031613 | Wide-angle slip-on viewfinder on rangefinder cameras for photographic recordings with different focal lengths Described is a wide-angle slip-on viewfinder (1) on rangefinder cameras for analog and digital wide-angle recordings of different image recording formats with lenses of different focal lengths, comprising three lens groups (LG1, LG2, LG3), a ... | 02/07/2008 |
| 20070297787 | Viewfinder optical system, optical apparatus using the same and method for expanding observation Providing a viewfinder optical system capable of obtaining given magnification and a given eyepoint, suitable for an SLR digital camera and an SLR camera, an optical apparatus equipped therewith, and a method for expanding observation. The viewfinder optical system M in... | 12/27/2007 |
| 20070286594 | VIEWFINDER OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME At least one exemplary embodiment is directed to a viewfinder optical system which includes a first mirror having a roof shape configured to reflect light from an object image formed by a photographic lens towards the object image, a second mirror configured to reflect ... | 12/13/2007 |
| 20070280674 | IMAGING APPARATUS AND LIGHT SHIELDING MEMBER There is provided an imaging apparatus having (a) an eyepiece type viewfinder formed on a predetermined plane of the imaging apparatus; (b) an operation member for diopter adjustment of said viewfinder; and (c) a light shielding member for suppressing entrance of extern... | 12/06/2007 |
| 20050163500 | Finder optical system A finder optical system includes an eyepiece optical system with a positive refracting power. The eyepiece optical system includes an optical unit with a positive refracting power and a lens unit with a positive refracting power, In the eyepiece optical system, a refrac... | 07/28/2005 |
| 20050031334 | Camera provided with eyepiece A camera includes a screen on which an image of an object is projected, a plurality of reflection surfaces for erecting the image on the screen, and an eyepiece system with positive refracting power for observing the image. In this case, the eyepiece system includes, in... | 02/10/2005 |
