An illuminated sighting system for a firearm sight, including a first light conductive member having a first light conductive member viewing end that emits a first amount of emitted light which provides a first viewable aiming indicium that indicates alignment of a firearm with a target; a second light conductive member viewing end that emits a second amount of emitted light which provides a second viewable aiming indicium that indicates misalignment of the firearm with the target; wherein the second light conductive member viewing end disposes about the first light conductive member viewing end; and a lens operably coupled to the first and second light conductive member viewing ends.

A reticle adjusting structure includes a reticle plate, a beam combination lens, and a relay lens assembly arranged in sequence along a visible-light optical axis, and a display module arranged outside of the visible-light optical axis. The beam combination lens includes a first light entry surface and a second light entry surface that are arranged opposite to each other and respectively face a visible light signal incidence direction and the display module. A visible light signal of a target field of view passes through the reticle plate to get incident on the first light entry surface of the beam combination lens, and is then transmitted to the relay lens assembly. The reticle plate, the beam combination lens, the relay lens assembly and the display module are interconnected together to form an integrated lens set that is collectively movable together, in order to realize collective adjustment during a reticle adjusting course.

A reticle adjusting structure includes a reticle plate, a beam combination lens, and a relay lens assembly arranged in sequence along a visible-light optical axis, and a display module arranged outside of the visible-light optical axis. The beam combination lens includes a first light entry surface and a second light entry surface that are arranged opposite to each other and respectively face a visible light signal incidence direction and the display module. A visible light signal of a target field of view passes through the reticle plate to get incident on the first light entry surface of the beam combination lens, and is then transmitted to the relay lens assembly. The reticle plate, the beam combination lens, the relay lens assembly and the display module are interconnected together to form an integrated lens set that is collectively movable together, in order to realize collective adjustment during a reticle adjusting course.

A protective cover for an optical sight of a firearm, with at least one transparent end wall section for protecting either a proximal opening or a distal opening of the optical sight is disclosed. In order to provide a backup sight, it is proposed for the transparent end wall section to have a permanently displayed optical reticle or a part of this reticle.

An illuminated sighting system for a firearm sight, including a first light conductive member having a first light conductive member viewing end that emits a first amount of emitted light which provides a first viewable aiming indicium that indicates alignment of a firearm with a target; a second light conductive member viewing end that emits a second amount of emitted light which provides a second viewable aiming indicium that indicates misalignment of the firearm with the target; wherein the second light conductive member viewing end disposes about the first light conductive member viewing end; and a lens operably coupled to the first and second light conductive member viewing ends.

An illuminated sighting system for a firearm sight, including a first light conductive member having a first light conductive member viewing end that emits a first amount of emitted light which provides a first viewable aiming indicium that indicates alignment of a firearm with a target; a second light conductive member viewing end that emits a second amount of emitted light which provides a second viewable aiming indicium that indicates misalignment of the firearm with the target; wherein the second light conductive member viewing end disposes about the first light conductive member viewing end; and a lens operably coupled to the first and second light conductive member viewing ends.

A reticle adjusting structure includes a reticle plate, a beam combination lens, and a magnification variation lens set arranged in sequence along a visible-light optical axis, and a display module arranged outside of the visible-light optical axis. The beam combination lens includes a first light entry surface and a second light entry surface that are arranged opposite to each other and respectively face a visible light signal incidence direction and the display module. A visible light signal of a target field of view passes through the reticle plate to get incident on the first light entry surface, and is then transmitted to the magnification variation lens set. The reticle plate, the beam combination lens, the magnification variation lens set and the display module are interconnected together to form an integrated lens set that is collectively movable together, in order to realize collective adjustment during a reticle adjusting course.

A reticle adjusting structure includes a reticle plate, a beam combination lens, and a magnification variation lens set arranged in sequence along a visible-light optical axis, and a display module arranged outside of the visible-light optical axis. The beam combination lens includes a first light entry surface and a second light entry surface that are arranged opposite to each other and respectively face a visible light signal incidence direction and the display module. A visible light signal of a target field of view passes through the reticle plate to get incident on the first light entry surface, and is then transmitted to the magnification variation lens set. The reticle plate, the beam combination lens, the magnification variation lens set and the display module are interconnected together to form an integrated lens set that is collectively movable together, in order to realize collective adjustment during a reticle adjusting course.

A passively and naturally illuminated optical reflex sighting system for a firearm in one embodiment includes a housing configured for detachable coupling to the firearm, an optical lens supported by the housing, a fiber optic element, and a light-transmissible cover enclosing the fiber optic element. The cover and fiber optic element are in visual communication with ambient light which is collected by fiber optic element through the cover. In operation, the fiber optic element absorbs ambient light and generates a reticle on the lens for aiming the firearm. A red or other colored dot reticle may be projected on the lens in some embodiments. No onboard artificial light is used to illuminate the fiber optic element. The housing may include an integrally-formed rear sight which is alignable with a front sight to aim the firearm independently of the fiber optics generated reticle.

A passively and naturally illuminated optical reflex sighting system for a firearm in one embodiment includes a housing configured for detachable coupling to the firearm, an optical lens supported by the housing, a fiber optic element, and a light-transmissible cover enclosing the fiber optic element. The cover and fiber optic element are in visual communication with ambient light which is collected by fiber optic element through the cover. In operation, the fiber optic element absorbs ambient light and generates a reticle on the lens for aiming the firearm. A red or other colored dot reticle may be projected on the lens in some embodiments. No onboard artificial light is used to illuminate the fiber optic element. The housing may include an integrally-formed rear sight which is alignable with a front sight to aim the firearm independently of the fiber optics generated reticle.