The Alpen Rainier 10x32 binocular utilizes the best in optical technology providing superior resolution, brightness, color fidelity and contrast. Rainier binoculars are comparable to European brands at a fraction of the cost. The rugged magnesium body combines with firm twist-lock multi-position eye cups and a textured body armor providing comfortable viewing and durability. Rainier also features our exclusive A-Lock™ dioper locking system allowing you to lock in your precise eye setting. The precision ground and polished BAK4 optical system is fully multi-coated with our proprietary UBX™ coating, and our PXA™ phase, and SHR™ metallic prism coatings providing unsurpassed brightness and sharpness. Generous 15mm eye relief and a 357 foot field of view combined with a close focus of 6.5 feet provide for a superb viewing experience. You can also feel secure by knowing your Rainier binocular is backed by our full lifetime warranty.