Patent ID: 7738193

Claim:
An apparatus for adjustment of an optical element having an optical axis with respect to an external holder in an objective structure or with respect to holders located nearby the optical element, in which the optical element is connected to the external holder via a plurality of intermediate parts which are provided with adjustment devices, wherein each adjustment device has a foot part, which is arranged on the external holder and on which moving intermediate parts are arranged and are connected to adjusting elements in such a manner that first moving intermediate parts can rotate about an axis perpendicular to a z-axis, in which the two adjusting elements are connected via second moving intermediate parts directly via a head part or via a center part to the optical element, in which, in the case of fixed adjusting elements, the second moving intermediate parts which are arranged between the optical element or a center part and the adjusting elements allow a rotary movement of the optical element with respect to the foot part about an axis perpendicular to the z-axis.