Leupold® optics set the standard for high performance. Now, with Alumina® accessories, they set the standard for adaptability too. With everything from optical intensifiers and optimizers, to focus adapters, to RainCote® lens covers, and much more, Leupold Alumina accessories will help you instantly adapt to changing light and weather conditions

Alumina® flip-back lens covers - feature powerful neodymium magnets to hold them securely closed and triple O-ring seals for maximum protection from the elements. Their machined-aluminum precision construction, quick and easy operation, and a low-profile position when open make our flip-back lens covers stand above the rest. The round objective models are clockable, so you can rotate them to open any direction. Available in a variety of sizes for both eyepieces and objectives