Black Sightmark 1 x 24 Tactical Night Vision Ghost Hunter Binocular Goggles. Black Sightmark 1 x 24 Tactical Night Vision Ghost Hunter Binocular Goggles (Item #: 11209). Lens Diameter: 24 MM. Field Of View: 30 Degrees. Diopter Adjustment: 5 dptr. Maximum Viewing Range: 80 Yards. Power Supply 2 AA Batteries Not Included. Estimated Battery Life… Read more Black Sightmark 1 x 24 Tactical Night Vision Ghost Hunter Binocular Goggles