VICTEC Dual Focus 16x52 Monocular Telescopes Optics Zoom Monocular Scalable Telescopic for Birds / hunting / camping / hiking Armoring outdoor travel super clear Multi-coated optics upgraded version of the green AR, Twist-up eyecup With the low-light-level night vision built-in design, it has highly distinct version as long as with the reflect light in night Waterproof design: the mirror is full of the high purity nitrogen, waterproof and antifogging, you can use it in raining day and humid environment without any worry With the Dual Focus design: can look the much longer distance and more distinct Rubber Armored for rugged field use center focusing mechanism for quick, easy focusing Suitable for Golf, Scope, Camping, Hiking, Fishing, Bird watching, Concerts, etc.