Type Of Prism: BK4. Easy operation : The compact binoculars are adjusted by the smooth center focus knob, The width can be adjusted for different sizes of faces. Easy to use. Field of view: 7.2 degree, 126M/1000M, good for fast moving subject.Perfect for adults bird watching,traveling,sightseeing, hunting, wildlife watching, hiking,sports events, etc. a.
eBay