Night Owl NexGen I Monocular 5x50mm Gen 1 Green Phosphor 15 Degrees Plastic Lens - Black . Identify your target quickly and accurately with these lightweight Night Vision Monocular from Night Owl Optics. The Night Owl NexGen I Rugged 50mm Monocular provides both excellent light transmission and added magnification. Even in total darkness the Night Owl NexGen I Ergonomic Monocular 50mm creates clear images for outdoor adventurers and security professionals. Specifications for Night Owl NexGen I 5x50mm Night Vision Monocular: Manufacturer: Night Owl Optics Night Vision Generation: 1 Image Intensifier Tube: Gen 1 Field of View Angle: 15 degrees Diopter Adjustment Range: -4 - 4 dpt Battery Type: 3V 123 Lithium Weight: 16 oz Included Accessories: Standard Condition: New Magnification: 5 x Objective Lens Diameter: 50 mm Battery Life: 45 - 100 hours Water Resistance Level: None Image Intensifier Color: Green Phosphor Attachment Type: None Magnification Type: Fixed Dimensions: 7.75 x 3.79 x 2.48 in Minimum Focus Distance: 5.7 ft Blade Material: Rubber Features of Night Owl NexGen I Compact Monocular 50mm NOXM50: 5x magnification High-quality generation-1 image intensifier tube Built-in columnated infrared illuminator for use in complete darkness or to improve target recognition in any environment Objective and ocular lenses constructed of high-quality all-glass optics Soft-touch rubberized finish Impact-resistant molded thermoplastic lens housing Package Contents: Night Owl NexGen I Durable Monocular 50mm NOXM50 Carry Bag Night Owl NexGen I Monocular 50mm Plastic Lens - Black - NOXM50