The Tracker(TM) Is A Compact, 8x21mm Binocular. It Has Multi Coated Lenses. The Tracker(TM) Binocular Has A Center Focus Knob With An Independent Right Diopter To Adjust Maximum Focusing Flexibility For All Types Of Vision. These Binoculars Feature Roll Down Eyecups For Eyeglass Wearers. Pouch, Neck Strap & Lens Cloth Included.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }