| 摘要 |
An angular attachment has a housing ( 1 ) for fixing to an eyepiece ( 15 ) of a rangefinder camera ( 21 ) with laterally correct and height-correct representation of the finder image at an altered eyepiece angle, which contains a Bauernfeind prism ( 5 ) with double reflection in one plane as an image deflection element, a first region (A, A') of a base area ( 4 ) of the Bauernfeind prism ( 5 ) is disposed downstream of the eyepiece finder ( 15 ), an area opposite to this region is formed as a reflective area ( 8 ) and is inclined with respect to the base area ( 4 ) in such a way that a ray ( 2 ) entering the first region perpendicularly is reflected onto a second region (B, B') of the base area ( 4 ) at an angle of total reflection, and a light exit area ( 10 ) of the Bauernfeind prism ( 5 ) is inclined relative to the base area ( 4 ) in such a way that the totally reflected ray ( 9 ) impinges perpendicularly on the light exit area ( 10 ).
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