The Kowa 8x25 Roof Prism Binoculars are intended for the ardent hikers, birders and outdoor enthusiasts. They are lightweight and can be taken anywhere. These compact binoculars feature phase correction coated prisms to produce great optical performance and delivers brilliantly detailed images. Their multi-layered, highly reflective aluminum coating further enhances sharpness and color accuracy. The housing is waterproof and nitrogen dry filled to prevent fogging of the optics during sudden temperature changes. Also, they focus as close as 5.9 feet and offer comfortable long eye-relief. The binoculars' slim body is configured with smooth one-axis center focus and their fine ergonomic design offers comfort and easy handling.