Abstract: A main body of a viewing optic comprising at least one void in the main body.

Abstract: An electronic telescope is provided, including a main body, a lens module, a display module, and a single eyepiece. The main body includes an objective end and an eyepiece end which is opposite to the objective end. The lens module is disposed on the objective end. The display module connects to the lens module and is configured to display an image captured from the lens module. The single eyepiece lens with a single focus has a longitudinal structure and is disposed on the eyepiece end, wherein the eyepiece lens corresponds to the user's two eyes.

Abstract: The invention concerns a rifle scope (1) with a housing (10), in which optical lenses (20, 21, 22, 23) are arranged along an optical path (OP), and with an adjusting wheel (11) for adjusting a function, wherein the adjusting wheel (11) is mounted so as to turn relative to the housing (10) about an axis of rotation (A), and wherein the adjusting wheel (11) has a first coupling means (13), on which an adjusting aid (30) which projects relative to the axis of rotation (A) radially about the outer circumference (12) of the adjusting wheel (11) is releasably secured to a second coupling means (31).