|The Night Owl Optics NONB2FF includes a fixed focus lens and 2X magnification that proves to be ideal for camping, hiking, wildlife, hunting, and security. Generation 1 Technology. Fixed-Focusing. Rubberized Housing. Easy to Use Design. Lightweight at 25.3 oz. Two Electronic Intensifier Tubes. Integrated Infrared Illuminator. Fixed Focus. All-Glass Lenses. 2X Magnification. 63 ft. Field of View at 330 ft.