Abstract: An optical apparatus flexible stop has a flexible surface element, which is flat/planar in a first state and rolled or wound into a hollow roll in a second state. Two tensioning cords guide around the hollow roll to hold the hollow roll shape. An optical apparatus is provided with a tubular body containing an optical unit and having a first open tube end, an attachment device having a device housing, wherein an optical through passage of the device housing is arranged in front of the open tube end, and the flexible stop. The flexible stop is rolled or wound around the open tube end of the tubular body and the optical through passage of the device housing, held in the shape of a tube with the tensioning cords, thus forming an optical tunnel between the open tube end and the optical through passage.

Abstract: The invention relates to a reticle (1) for a telescopic sight (100), having a non-linear size value scale (10) and further special scales and sighting aids (30) which serve in each case for the determination of a distance to a target object or of the size thereof in order that, ultimately, a shot can be fired precisely at the target object. The invention also relates to the method for determining the distance to the target object (ZO) using the non-linear size value scale, and to telescopic sights and firearms having the reticle according to the invention.

Abstract: The invention relates to a reticle (1) for a telescopic sight (100), having a non-linear size value scale (10) and further special scales and sighting aids (30) which serve in each case for the determination of a distance to a target object or of the size thereof in order that, ultimately, a shot can be fired precisely at the target object. The invention also relates to the method for determining the distance to the target object (ZO) using the non-linear size value scale, and to telescopic sights and firearms having the reticle according to the invention.