Apparatus for recording and/or reading information by means of a radiation beam.

摘要

The scanning device comprises a first section (16) which can be secured to a slide, a second section (6) which is movable relative to said first section and which includes a lens (2), and actuator means for moving the lens in a focusing direction (F). In order to enable short access times to be obtained the device has mechanical limiting means (34,35) for limiting movements of the movable section in a radial direction. These means are constructed to allow the movable section to perform unimpeded movements in the focusing direction during limiting. <IMAGE>