Optics setter for camera - has coarse and fine adjusters for rapid focussing and magnification

摘要

A control unit (15,18) subdivides the extent of the adjustment of the optical system in a first adjustment size, in order to adjust the optical system with the first adjustment arrangement and a second adjustment size, in order that the optical system is to be adjusted with the second adjusting arrangement. Thus the adjustment of the optical system is carried out with the first adjustment arrangement on the first adjustment size and with the second adjustment arrangement on the second adjustment size.