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| Number | Title | Issue Date |
| 7181135 | Coupled rangefinder/parallax camera A coupled rangefinder/parallax camera having a 4×5 format or larger utilizing the body shell of a 3¼×4¼ format camera and an adaptor that changes a 3¼×4¼ format photographic system to a different size film format. In particular, a coupled rangefinder/parallax... | 02/20/2007 |
| 6980368 | Optical adapter and lens-fitted photo film unit An optical adapter comprises an adapter body and a lens member. The lens member is a cylindrical lens having one or more curved surfaces, and has a function to extend an optical image in a horizontal direction. A taking lens and a viewfinder are arranged vertically,... | 12/27/2005 |
| 6532343 | Camera finder device A finder device is disclosed in which a finder optical system is provided with an auto-focus function separate from that of a photographic optical system so that the subject image can be observed sharply even when the finder optical system undergoes a cha... | 03/11/2003 |
| 5319405 | Camera system A camera system comprising a group of lenses arranged on a common first optical axis, a photographic lens including at least one movable lens member on a second optical axis and having an image plane, a main reflex mirror arranged on forward movement of t... | 06/07/1994 |
