Patent ID: 11921281
Assignee: SWAROVSKI-OPTIK AG & CO KG
Field: Optics (Instruments)
Classification: CPC G  F | IPC G

Claim 21:
22. A long-range optical device, wherein the long-range optical device comprises at least one attachment device for at least one objective lens and/or at least one eyepiece of the long-range optical device, 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, wherein the attachment device is arranged on the eyepiece side of a housing of the long-range optical device or on the objective side of the housing of the long-range optical device and at least one eyepiece or at least one objective lens of the long-range optical device is covered from a surrounding by the attachment device.