1.[ Optical Parts] Our monocular telescope features durable prisms and fully coated multi-layer lenses. Minimize chromatic aberrations, giving you images with superior contrast and excellent resolution. Multi-layer prism coatings provide bright, clear images and natural colors even in low light conditions. 2.[Wide Applicability] This monocular is intended for adults and children, it is a good partner for climbing, hiking, driving, running, traveling, wildlife watching, bird watching, tourism, hunting, etc. 3.[] You can see the scenery easily and quickly by using our monocular telescope for one-handed adjustment of the eyecup and focus wheel until you see a clear and bright image, the smartphone mount and stable extendable tripod would help you easily get an HD picture or video. 4.[ & Anti-fog] The monocular telescope is sealed with O-ring and nitrogen purge for water and fog resistance. As a result, sudden changes in weather will not overshadow your, even in harsh conditions for most outdoor environments.