15-45x magnification range allows you to scan large areas of the landscape on low power with the ability to make detailed observations of distant subjects at high power50mm objective lens provides the light-gathering capability required to keep views bright and clear even in low or challenging light, such as at dawn and duskBK7 Porro prism light path has zero internal interference so views are crisp and contrast-richAnti-reflection fully coated lenses maximize light transmission to produce bright and accurate colorsWide 140-foot field of view at 1000 yards on 15x, 65-foot on 45xEyepiece set in-line with the optical tube to make finding subjects faster and tracking moving targets easierLarge slip-resistant zoom collar is easy to adjustLow-profile focus knob provides precision focusing with a reduced snag hazardTwist-up rubber eyecup for comfortable viewing with or without eyewearExceptional 20mm eye relief makes long-duration observation sessions easy with reduced eyestrainRubber armor protects against impacts while providing a slip-resistant grip for more secure handling during setup and breakdownCompact design is under 11" in length to make it easier to pack and carryStandard 1/4"-20 tripod mount is compatible with many photo/video/field tripods, quick release plates, and other support systemsIncludes a compact tabletop tripod with a simple pan/tilt head and pan handle for precision trackingSoft carrying case protects spotter during transport and storage