| 摘要 |
<p>The invention concerns a new kind of camera, preferably for instantaneous development films, provided with five lenses (Oc, Op), four (Op) of which are placed at the vertices of an imaginary quadrilateral, while the fifth (Oc) is positioned at the centre. By means of a single external mechanism an internal movable mask (M) is raised or lowered and at the same time the release either of the four shutters (Xp) of the peripherical lenses (Op) or the shutter (Xc) of the central lens (Oc) is activated.</p> |
