The Vortex Diamondback HD 10x50 Binoculars are where price meets performance! These binoculars are loaded with features designed to withstand the most punishing outdoor adventure – while still providing the viewer with a bright, crisp, and clear viewing experience. The chassis of Diamondback HD Binoculars is made from a durable magnesium alloy and coated with a layer of rubber armor that protects the internal optical components from shock damage due to accidental drops. The HD Optical System found in Diamondback Binoculars is a combination of excellent optical glass and coatings designed to provide the user with the absolute best viewing experience at this price point! As with all Vortex optics, the Diamondback HD Binoculars are covered by Vortex’s VIP Warranty so you can rest assured that your investment in these binoculars is always covered.