Bushnell Powerview 10x32 & 8x21 Roof Binocular Bundle w. Strap, Care Kit 10x magnification, 32-millimeter objective binoculars and 8x magnification and 21-Millimeter binoculars both with roof prism system BaK-7 prisms and multi-coated optics for superior resolution, image clarity and superior light transmission and brightness Rugged, shock-absorbing, non-slip rubber armor; center focus knob system for sharpening your view Limited Lifetime Warranties