"The Kowa YF 8x30 Porro Prisms Binocular is a porro prism binocular with a stylish exterior and an optically excellent interior. Smooth and sleek with strategically placed indentations in the rubber armoring, this glass delivers a secure and firm grip. It has a closed hinged bridge with an eye-catching red line at the intersection of the bridge's point-of-contact. Fully multi-coated, highly reflective coated and phase coated, these optics deliver crisp, clear, contrasted images with real color fidelity. With an eye to keeping the weight down, the engineers at BSA have not sacrificed the nitrogen gas filled fogproofing and waterproofing. This is a wide-angle glass with the ability to scan an exceptional field of vision. Rubber armoring provides a secure and comfortable grip, as well as added shock-resistance. Twist-up eyecups customize the viewer's personal preference with or without eye or sunglasses. The YF 8x30 binocular is a nice looking binocular with the optical features that will be appreciated in any venue; hunting, hiking, birding or sporting events.|Stylish Ergonomic Design: The stylish design is ideal for bird watching, nature observation or any other outdoor activity. Depressions placed in the rubber armor make it easy to grip and hold the binocular|Lightweight Construction: The lightweight design of the YF Series allows for extended use in the field. Even with a large 50mm objective lens, the weight of the SV 50 at 740g (10x model) is on par with most 42mm class binocular|Waterproof and Filled With Dry Nitrogen Gas: The binocular o waterproof and filled with dry nitrogen gas to prevent the internal structure from fogging|Wide And Comfortable Neck Strap|2 Types Of Rubber Armor|Long Eye Relief|Kowa Kr Coating|Twist-Up Eyecups|Small Form For Young Adults"