Patent ID: 8072701
Filing Date: 2011-12-06
Classification: G02B

Abstract:
1. A positioning apparatus for positioning an optical element having a circumferential face, and a first side and a second side opposite thereof, the optical element located in the ray path of a microscope comprising: a carrier device for coupling the positioning apparatus to a microscope; and a holding apparatus, the holding apparatus coupled to the carrier device for holding the optical element, the holding apparatus cooperating with holding devices for coupling the optical element to the holding apparatus the holding devices contacting only a minority of the circumferential face of the optical element and a minority of the first side of the optical element and optionally contacting at most a minority of the second side of the optical element while allowing a distance space between a majority of the circumferential face and the first and second sides of the optical element and the holding apparatus wherein the holding devices are formed by the holding apparatus and the holding apparatus is a unitary structure.