The 3 Primal HD binoculars from Riton offer vision and clarity well beyond your expectations. The HD glass optical system is encased in a lightweight PVC-wrapped magnesium-aluminum alloy, so no matter where your hunt takes you, you know your optics are rugged enough to handle it. The HD glass and BAK4 prisms provide clear and bright images, and weighing just under 27 ounces, the 3 Primal HD binoculars won’t strain your eyes or your arms.