The dual tube night vision device comprises a pair of independently pivoting night-vision monoculars connected to a bridge member. Each night-vision monocular is attached to the bridge member by a rotating arm and comprises a pod containing an image intensifier tube. Each arm allows the attached night-vision monocular to move through a rotational travel path, between a stowed position and a deployed position. The dual tube night vision device is configured to detect when the night-vision monoculars are, individually or collectively, moved to a stowed position and then temporarily cut off power to the stowed monocular(s) to increase battery runtime. Power is automatically restored, individually or simultaneously, to the night-vision monoculars when they are rotated back to deployed positions. The dual tube night vision device uses one or more accelerometers to detect when the night-vision monoculars, individually or collectively, are moved to the stowed position and the deployed position.

A helmet accessory mount system may include a shroud configured to be coupled to a helmet and an arm assembly having a first arm configured to rotatably couple to the shroud. The system may also include an accessory interface configured to coupled to an accessory and configured to engage the arm assembly. The arm assembly may be configured to move from a deployed position to at least one storage position. The accessory may be configured to be positioned between the accessory interface and the helmet when the arm assembly is in the at least one storage position.

The invention relates to a digital viewing device, comprising at least one camera module, consisting of an objective (2) having a focal length fobj and an image sensor (3) having an image diagonal d.sub.Sensor, and at least one electronic viewfinder, consisting of an eyepiece (9) having a focal length f.sub.Oku, an image processor (5), a power supply (7) and an electronic display (10) having an image diagonal y.sub.Display, characterised in that to correct distortion of the image generated on the display the image processor contains at least one computer program with distortion correction algorithms and the computer program can be switched on by means of an activating element (6).

The invention relates to a digital viewing device, comprising at least one camera module, consisting of an objective (2) having a focal length fobj and an image sensor (3) having an image diagonal d.sub.Sensor, and at least one electronic viewfinder, consisting of an eyepiece (9) having a focal length f.sub.Oku, an image processor (5), a power supply (7) and an electronic display (10) having an image diagonal y.sub.Display, characterised in that to correct distortion of the image generated on the display the image processor contains at least one computer program with distortion correction algorithms and the computer program can be switched on by means of an activating element (6).

An optical system has an underlying device configured to provide output light. A transparent optical device optically coupled to the underlying device transmits light from the underlying device through the transparent optical device to display a scene. The transparent optical device includes detector elements formed in an active area to detect light portraying at least a portion of the scene. The underlying device has transparent regions formed in the active area to allow light to pass through from the underlying device to a user. The optical system further includes an image processor that processes images produced using light detected by the detector elements to identify a specific instance of light in the scene. The image processor causes display elements in the active area of the transparent optical device to display an indicator, in the scene, correlated to the specific instance of light.

A night vision system having one or more pods to permit a user to see in reduced light or evening conditions. The night vision system can include one or more pod(s) and the pod(s) can be actuatable between an “up” position and an active “down” position, wherein the pod is automatically powered and controlled when in the active position. A wearable power and/or control pack is further described, as is the use of an interpupillary stop feature.

A night vision system having one or more pods to permit a user to see in reduced light or evening conditions. The night vision system can include one or more pod(s) and the pod(s) can be actuatable between an “up” position and an active “down” position, wherein the pod is automatically powered and controlled when in the active position. A wearable power and/or control pack is further described, as is the use of an interpupillary stop feature.

One example illustrated herein includes an optical device including a bridge assembly configured to connect two or more monocular tube assemblies and at least two monocular tube assemblies. Each monocular tube assembly includes a housing, an alignment member attached to the housing, the alignment member providing an indication of an optical axis of the monocular tube assembly, and an interface component that links the housing to the bridge assembly, the interface component comprising an adjustment mechanism that enables adjustment of the monocular tube assembly relative to the bridge assembly, such that the adjustment mechanism can be used in conjunction with the alignment member to align different optical axes. Aspects of the present disclosure may be implemented to allow for field-alignment of the optical device.

A pair of spectacle lenses for binocular vision. In each of the pair of spectacle lenses for binocular vision, when an inner horizontal direction of each of the spectacle lenses is a direction toward the nose of a user who wears the spectacle lenses, and an outer horizontal direction of each of the spectacle lenses is a direction toward an ear of the user, a portion for viewing an object at finite distance is provided and a shape of a base out prism is formed in the position such that a line of sight of a user viewing an object through the portion is directed to a direction that is different from a direction from the object.

A pair of spectacle lenses for binocular vision. In each of the pair of spectacle lenses for binocular vision, when an inner horizontal direction of each of the spectacle lenses is a direction toward the nose of a user who wears the spectacle lenses, and an outer horizontal direction of each of the spectacle lenses is a direction toward an ear of the user, a portion for viewing an object at finite distance is provided and a shape of a base out prism is formed in the position such that a line of sight of a user viewing an object through the portion is directed to a direction that is different from a direction from the object.