| 摘要 |
<p>A machine for taking stereoscopic photographs in pairs on negative or positive reversible film, comprising two lens systems and mirror means for reproducing images on two side by side zones of the film, the mirror means comprising in the optical course of each of the two images two successive: mirrors, the mirror means being disposed in such a manner that the respective pencils of rays relative to the two images cross and the right image exposes the film on the left of the zone where the left image is exposed, the two lens systems are disposed symmetrically relative to and equidistant from the respective film zones to be exposed, each lens system being constituted by one or more lenses distributed along the relevant optical axis.</p> |
