Product description Onick VISTAS 10x50 binoculars are built with multi-purpose functionality and a lightweight, ergonomic design. These binoculars are perfect for those looking for extremely versatile, high quality, and economically priced optics. TheVISTAS 10x50 binoculars deliver high-end magnification as well as large 50mm objectives and are light enough to be carried with ease to any outing or event. Built to last with eco-safe components and designed to perform in a variety of conditions, the VISTAS 10x50 binoculars are sure to bring you even closer to the action and give you an experience nothing short of incredible, all at a very affordable price. The BaK4 Porro prism systems within all VISTAS 10x50 binoculars deliver a high quality image under a multitude of lighting conditions, making these binoculars effective from dawn till dusk for a variety of pursuits, including sporting events, nature watching, travel and hunting. 1. The VISTAS 10x50 binoculars are designed to be as light as possible along with excellent ergonomics. 2. Turn-and-Slide Rubber Eyecups allow for comfortable viewing during extended periods of use. 3. Made with A spherical Multicoated Eco-Glass Lenses bright and clear images in most lighting conditions. 4. The smooth central focus knob makes these binoculars simple to operate and easy to focus. 5. A durable rubber-armored coating ensures a non-slip grip, even in wet conditions. 6. IPX6 protection level Product information Model Onick VISTAS 10x50 binoculars Magnification10x Body material Aluminum alloy Armor materia NBR+PVC Color black Objective lens 50 ± 1mm Ocular lens 23.5 ± 1mm Exit pupil 4.1mm ± 10% Exit pupil distance (mm) 18mm Field of view 6.5 Field of view (at 1000M) 155m Field of view (at 1000yds) 342ft Near focusL 5m Diopter system Right diopter ring Interpupillary distance 56 73mm Focus System Center Focus Focusing lens Eye. Diopter compensation-4 To +4 Diopter Focusing Adjustment-4 To +8 Diopter Prism System Paul prism Prism Glass Material BaK4 Objective lens 2E1G Ocular lens 4E3G Lens Type Spherical Lens Spherical Lens Optical Material All optical glass Lens coatingï¼?Full broadband green film Water/Fogproofï¼?Yes Gas Filledï¼?Nitrogen Protection levelï¼?IPX6 nitrogen-filled waterproof Eye cupï¼?Twist up Adapt to tripodï¼?Yes sizeï¼?LxWxHï¼?ï¼?196x66x183mm Weight approxï¼?969g