Patent ID: 8717548

Claim:
A long-range optical device comprising at least two observation parts and optical components arranged therein, at least one of the observation parts including objective-side and ocular-side ends and having at least one observation beam path and at least one measurement beam path, at least one connection element arranged between the two observation parts so that they can extend substantially parallel to each other, the observation parts include enclosures spaced from each other by the at least one connection element to define a free space clear of parts projecting therein and when the device is viewed vertically from above with respect to a plane in which longitudinal axes of the observation parts are arranged, the free space extends over a length extending parallel to the longitudinal axis of the observation parts of 20%-90%, of the length of the observation parts, wherein the observation beam path and the measurement beam path are arranged outside the free space, wherein the observation parts are supported via two connection elements at a predefined distance apart, and in a plan view on to the plane the two connection elements are separated by the free space that is kept clear extending along the longitudinal axes of the observation parts; and wherein the free space is configured such that the ends of a user's fingers can protrude unhindered between the two observation parts.