The 15-40x50 Colorado Compact Spotting Scope is a lightweight zoom spotting scope useful for bird watching and spotting at the target range. Multicoated glass and a BK-7 Porro prism transmit bright contrast-rich images throughout the entire zoom range. Perfect for birders"" hunters and naturalists"" this spotter delivers astounding brightness and clarity for optimal viewing. Variable zoom magnification allow you to lock on to your subject then zoom in for greater detail. An unrivaled blend of ruggedness"" durability and exceptional fully coated optics"" balances pure performance with value. An included mini tripod is foldable and convenient for terrain navigation and nature observation on-the-go.