| 摘要 |
An attachment to a camera lens for creating a single slide transparency or photograph from two slide transparencies such that a before-and-after or combination picture can be formed on a single photograph or transparency comprising an enclosure formed from a plurality of opaque sides and one translucent side. An aperture is formed through one of the opaque sides and has a collar for connecting the slide duplicator to the camera lens. A slot located adjacent the single translucent side is used for engaging the slide transparencies that are to be photographed. Mirrors within the duplicator are arranged for reflecting and directing images formed from light rays passing through the translucent side and through the slides to the camera lens so that the camera can photograph the dual images onto a single transparency or photograph. First surface mirrors are used in lieu of regular mirrors for clearly and distinctly reflecting and directing the images.
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