Equipped with Japanese HOYA ED Glass, the Vanguard Endeavor RS 3.5-10x50mm Riflescope w/ ED Glass has multiple anti-reflective coatings which lead to a clear and crisp view of the target. High-contrast, bright imagery allows the user to shoot these Rifle Scopes from Vanguard more accurately with less eye strain, even in low light. Simple and intuitive adjustment controls allow for precise sighting. Single tube construction and features such as nitrogen gas purging make the Endeavor RS scopes rugged, waterproof and fogproof. With a 50mm objective lens, the Vanguard Endeavor RS 3.5 Riflescope has a larger exit pupil allowing more light to enter the scope. The result is a scope that provides even better low-light condition performance than the 40mm models. Magnification of the Vanguard Endeavor 3.5-10x Riflescope is good for light woods hunting with a 10x magnification for taking longer open shots. All hunters will appreciate the clarity provided by quality HOYA ED glass and coating on the Endeavor RS 3.5-10x50mm Riflescope. For an amazing way to make sure you are working with one of the best scopes the shooting industry has to offer, choose the Vanguard Endeavor 3.5-10x50mm RS Riflescope.