ITEM NAME:Super High Power 40X60Portable HD OPTICS BAK4 Night Vision Monocular Telescope3C.Prism Type: BaK4. Monocular Size: 160 x 50 mm. Single hand operation. Field of View: 500M/ 9500M. Field of view: 6.4Â °. Color: Black. The larger the objective lens, the more light that enters the binocular, and the brighter the image.
