SILVA Eterna Navigator 3 7x50 Waterproof Binoculars with Compass Built-in

Size: 200 x 208 x 74 mm Weight: 1,150g Objective Lens Effective Diameter: 50mm Magnification: 7x (7x50) Field of View at 1,000m: 116m Exit Pupil: 6.8mm Prism Type: Bak-4 Waterproof Rating: IPX7 (Marine Specification) Focusing System: Independent Left/Right Focus Locking System (No need to reset once adjusted) Coating: Ruby Anti-Reflection Coating Additional Features: Nitrogen-Filled for Fog Prevention Included Accessories: Main Unit, Carrying Case, Neck Strap, Lens Caps, Lens Cloth