Trimble Kaiserslautern Gmbh

Gereon Westermeyer

Christian Ritter

The present invention relates to a light beam emission device for a measuring device for changing the optical properties of a light beam as well as to a corresponding method and to a measuring instrument which uses the light beam emission device, wherein the optical properties of the light beam can be changed automatically thereby from one state to another state. The light beam emission device comprises a base body with an opening for the passage of the light beam; a head which is arranged rotatably around a rotation axis on the base body, and which corresponds substantially to the propagation direction of the light beam through the base body; an optical element, which is arranged turnably around a turning axis on the head; and a turning mechanism for producing a turning of the optical element around the turning axis; wherein the turning mechanism is designed to turn the optical element to a first position and to a second position, second position in which the optical element is located in the light beam, so that the optical properties of the light beam are changed depending on the function of the optical element.

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Kaiserslautern, Germany

Gereon Westermeyer