<ul><li>20x Magnification</li><li>50mmO Lens</li><li>Rubber Armoured</li><li>Multi Coated Optics</li><li>3.8 Angle of View</li></ul><br><br>Dorr Danubia Alpina LX Porro Prism 20x50 Binoculars has a large centre focus wheel and retractable eyecups for eyeglass wearers and a solid rubber armour - this for additional comfort when viewing through the optics. The Alpina LX features MC (Multi Coated) optics and BAK-7 prisms, this means no reflection when viewing rich contrasts. Includes a 1/4\" tripod socket and a carry case.