LUD1660 Features: * Spotting scope * Ready for nearly any outdoor activity * Knob and lens shade provides sure, positive adjustment, even with gloved hands * Comfortable twist-up eyecups and non-critical eye relief makes long glassing sessions a breeze * Retractable lens shade - eliminates glare on the lens to improve picture quality * Sealed optics withstand the worst of the elements * Tripod ready - A built-in, rotating tripod port makes it easy to mount * Compatible with digital cameras * Actual magnification: 15x - 45x * Linear field of view (ft/1000 yd): 121 - 63 * Angular field of view (degrees): 2.3 - 1.2 * Object aperture (mm): 60 * Twilight factor: 30 - 52 * Exit Pupil (mm): 4 - 1.3 * Eye Relief (mm): 26.7 - 24 * Close Focus Distance: 13.8 ft Construction: * Waterproof construction Color/Finish: * Color: Black * Brightness, clarity, contrast, and color fidelity Dimensions: * Length: 13.5" * Dimensions: 4" H x 18.75" W x 6.75" D