Amazon.comWhether you want to zoom in on a lion in its native habitat or get a closer look at the QB in the huddle the SecuriX Ultra Zoom binocular is up to the task. The Ultra Zoom offers an eyebrow-raising 20x to 144x zoom range so you can make out a leopards spots from up to 450 yards away. The Ultra Zoom is equipped with 70mm objective lenses with fully coated BaK7 prisms helping it produce crisp clear images even in low-light conditions. The binocular also features a rugged housing that stands up to the elements so you can take it on hiking hunting and camping trips. Other features include an easy-to-adjust center focus wheel; a carrying case with an adjustable strap; and support for an optional tripod and tripod kit (sold separately). The tripod is recommended for use with the long zoom.SpecificationsMagnification: 20x to 144x Objective lens diameter: 70mm Prism system: Porro Glass: BaK7 Coating: Fully coated Field of view: 131 feet @ 1000 yards Eye relief: 16.5mm Exit pupil: 3.36mm (20x); 0.68mm (144x) Minimum focus distance: 18mm Dimensions: 12 x 9 x 4 inches (W x H x D) Weight: 5 poundsProduct DescriptionBetaOptics Ultra Zoom Binoculars let you see things up to 150 times closer and yet sharper. This Ultra Zoom Binocular gives you the most enjoyable way to entertain your eyes: let you watch sport game in stadium and catch every swing of your favor players; its ultra zoom allows you to magnify between 20 and 150 times closer and lets you enjoy the game like you are next to the players. The 70mm objective lens offer enough light to let you catch clear sharp images. As a hunter you want to catch every move of wild animals from 450 yards away; this Ultra Zoom Binocular gets you what you need to entertain your eyes with the most joyful scene ever brought to you in the field. A carrying bag with adjustable straps is included. (Tripod purchased separately).