The new Nitrosport range of roof prism binoculars feature a stylish modern open hinge design, making them lightweight and easy to handle. Great for birdwatching and general observing, all models feature high index silver coated BaK-4 prisms and multi-coated optics. The 8x42 and 10x42 models have the additonal benefit of phase-coated prisms for increased brightness and image contrast, as well as being fully multi-coated on all glass to air surfaces. Waterproof to IPX Class 5 (0.5m depth for 3 minutes) and nitrogen-filled for clear, fog free operation. Twist-up eyepieces and suitable for spectacle wearers. Black protective rubber armouring. Integral tripod bush. Supplied with neck strap, eyepiece rainguard and soft case.