12x42 Zoom Binoculars Day/Night Vision Travel Outdoor HD Hunting Telescope +Case

12x42 HD powerful Binoculars BAK4 Prism Multi-layer Coating Portable Telescope Outdoor tourism: Camping Hunting and equipment   12x42 adult and children binoculars, compact hunting binoculars with clear low-light vision, 18mm big eyepiece binoculars for bird watching, outdoor sports and use of BAK4 FMC 16.5mm super bright BAK4 Prism FMC lens waterproof Product description: 18mm large eyepiece, magnified image, clearer details It is 2.25 times that of 12mm eyepieces (such as 10x25, 12x25, 10x21 binoculars) and 1.28 times that of 16mm eyepieces (such as ordinary 10x42, 12x42 binoculars). Large eyepiece binoculars make full use of 12 times magnification to provide larger images and ensure clearer details 16.5mm large BAK4 prism binoculars, super bright, clear view] 32% more light than 12.5mm prisms (such as 10x25, 12x25, 10x21 telescopes) and 13.5mm 14.5mm prisms (such as ordinary 10x42, 12x42 telescopes).  The 16.5mm prism lens can take full advantage of 100% of the 42mm objective l