| 摘要 |
The invention relates to an optical device for a photographic camera ( 2 ), such as a camera, cine-camera or a video camera. The imaging device is arranged in an optical path ( 3 ) between a lens ( 4 ) at the beginning of the optical path ( 3 ) and an image receiving device ( 5 ) of the camera ( 2 ) at the end of the optical path ( 3 ). The inventive device comprises an imaging lens ( 6 ) which is provided with a transparent, light-diffusing imaging surface ( 7 ) which is used make visible a real image of the lens ( 4 ), and a transmission lens ( 8 ) comprising a transmission lens ( 9 ) which is used to reproduce the real image from the lens ( 4 ) on to the image capturing device ( 5 ). An imaging lens arrangement ( 10 ) is provided as an imaging lens ( 6 ), which contains a diffusion layer ( 14 ) made of a light-diffusing substance, and a lens which is superimposed on the diffusion layer with the surface ( 15 ) which is curved in an outward manner. The imaging lens arrangement ( 10 ) has a semi-value angle (beta) smaller or equal to 30° and greater than 10°.
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