Swarovski-optik Ag & Co Kg.

Swarovski-optik Kg

Martin Kuhn

Albert Fiedler

Alois Zangerl

Philipp Gimpl

Michael Socher

The invention relates to a telescope optics for a telescopic observational instrument having an objective lens, having a prism erecting system and having an eyepiece lens, wherein an image of an object generated by the objective lens is located between the prism erecting system and the eyepiece lens, and wherein the objective lens, in an order starting from the object side, comprises a first lens group Gwith a positive refractive power, a second lens group Gwith a negative refractive power and a third lens group G, and wherein the second lens group Gis adjustable in parallel to an optical axis for focusing, and wherein at least one lens with a negative refractive power of the third lens group Gis adjustable perpendicularly to the optical axis for changing the position of the image, and wherein the third lens group Ghas a negative refractive power.

Observation telescope

The invention relates to an attachment device for at least one objective lens and/or at least one eyepiece of a long-range optical device, in particular in the form of a riflescope, a telescope or a binocular, wherein the attachment device comprises at least one window, which is transparent at least in a visible spectral range, as well as at least one electrical heating device for the window.

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Rieden, Austria

Martin Kuhn