US Patent 9322616 Viewing apparatus

A viewing apparatus (106) for a rifle scope (104), the viewing apparatus comprising a camera unit (108) having a camera and attachment means operable to attach the camera unit to a rifle scope such that the camera is exposed to an image visible at an eyepiece of a rifle scope, the camera being adapted to generate image data from the image to which it is exposed, the camera unit being arranged and operable to transfer the image data from the camera to a display unit (110), the display unit comprising display means being arranged and operable to display the image data received from the camera unit, the display unit further comprising attachment means (140) operable to attach the display unit to a rifle scope.