| 摘要 |
<p>The camera head of a planetary camera system is movably mounted on a frame of the system. Film members (e.g. aperture cards) are exposed in the camera head. stationary film-processing station is mounted on the frame in a position remote from the camera head and is linked to the camera head by a light-tight extensible film member conveying means. Telescopic tubes containing endless conveyor belts of variable effective length are preferred for the conveying means.</p> |
