Patent ID: 7751120

Claim:
A telescopic stereomicroscope comprising: a first beam path; a second beam path; a common main objective allocated to both the first and second beam paths; a first telescope system being disposed in the first beam path having a first optical element and a first magnification; a second telescope system disposed in the second beam path and having a second optical element corresponding to the first optical element and a second magnification, wherein the first and second magnifications are equal and are adjustable synchronously to each other, and wherein the first optical element has a different optically effective diameter than the corresponding second optical element; a first observation unit disposed in the first beam path downstream of the first telescope system and configured to convey light of the first beam path forming a first partial image of a three dimensional image to a first eye of a user; and a second observation unit disposed in the second beam path downstream of the second telescope system and configured to convey light of the second beam path forming a second partial image of the three-dimensional image to a second eye of the user, such that the first and second beam paths extending from the telescope systems to the user's eyes have different optically effective diameters, such that the first partial image and the second partial image have different resolution and depth of field.