The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2022
Filed:
May. 13, 2020
Swarovski-optik Kg., Absam, AT;
Albert Fiedler, Innsbruck, AT;
Martin Kuhn, Rieden, AT;
Abstract
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.