Bushnell 228042 8x42 NatureView Roof Prism Waterproof/Fogproof Binoculars with Wide Strap, Enhanced Lens Cleaning Kit and Micro Fiber Cleaning Cloth BaK-4 roof prisms for bright, clear, crisp viewing Fully multi-coated optics for superior light transmission and brightness Textured center-focus knob for easy, precise adjustments Rugged, non-slip rubber armor absorbs shock Waterproof/fogproof construction; Twist-up eyecups