High quality.Multi coated opticsAngle of view 7.2°Bak7 prismsObjective lens diameter - 22mmDioptre correctionRubicon coated lensesMystery 30 x 60 binoculars.Fully coated optics for increased brightness.Instant focus lever for rapid focusing.Smooth centre focusingFold down eyecups for spectacle wearersIdeal for yachting, hunting, bird watching, auto racing, horse racing, theater, boating, surveillance and security as well as other outdoor recreations.30*60 1000M/1000M, Field 7.2°.Material: high-insensitive engineering plastics mirror bracket, black rubber cover, and protective soft rubber for eyepiece comfortable feel.Color: black.Dimensions: 104 x 91mm fully opened