<p><strong>Nikon Aculon A211 10-22x50 Binoculars Black (8252) Bundle with a Tripod Adapter, Nikon Lens Pen, and Lumintrail Cleaning Cloth</strong></p><p>The ACULON A211 10-22x50 zoom binoculars feature adjustable 10-22-power multicoated lenses and 50mm objectives fabricated with Nikon’s exclusive lead and arsenic-free Eco-Glass.  The BaK4 Porro prism systems within all ACULON A211 binoculars deliver a high-quality image under a multitude of lighting conditions, making these binoculars effective from dawn till dusk.  </p><ul><li>Focusing System: Central Focus</li><li>Magnification: 10-22x</li><li>Objective Diameter: 50mm</li><li>Angular Field of View (Real): 3.8 degrees</li><li>Angular Field of View (Apparent): 36.7 degrees</li><li>FOV at 1000 yds: 199 feet</li><li>Close Focus Distance: 49.2 at 10x feet</li><li>Exit Pupil: 2.3-5mm</li><li>Eye Relief: 8.6mm at 10x</li><li>Size (Length x Width): 7.8 in x 7.8 in</li><li>Weight: 33.9 oz</li><li>Prism: Porro</li></ul>