HQRP 3 x 25 Opera Glasses Binocular w/Crystal Clear Optic (CCO) Platinum Pearl with Silver Necklace Chain HQRP&reg; Improved Opera Glasses with New Crystal Clear Optic CCO Technology; Specifications: 3 x 25; Magnification: 3x; Objective diameter: 25mm; Field of view: 105m; Weight: 183g; Central Focus; Pre-attached delicate Silver chain; Cleaning cloth and Bag Pouch is included; 200 days warranty.