The Tasco Essentials10x binocular offers increased magnification that's perfect for all-around use such as hunting travel bird watching or even star gazing. The right side barrel has an adjustable diopter for you to adjust the binoculars perfectly in sync for your eyes. The center focus wheel is fast & smooth for the sharpest imaging. Take it wherever you go thanks to its tough weather-resistant design. Multi-coated lenses Center focus wheel offers smooth and precise operation Rugged weather-resistant housing Roof prism design for light weight and easy handling Powerful affordable optics in a compact size Features mounting points for neck straps or harnesses Right barrel has adjustable diopter for perfect focus adaption to the user Twist-up eye cups for use with or without eyeglasses Tripod Adaptable design 10x42 configuration is perfect for hunters birding travel and general observation