Swarovski ATM-80 HD Spotting Scope High-definition magnesium spotting scope with 80mm objective lens diameter Excellent light transmission even in low light and at high magnifications Fluoride-containing HD lenses minimize color fringing and produce high-contrast images Angled body is suitable for observing birds in the air or trees Measures 13.98 inches long and weighs 45.2 ounces; lifetime warranty