CrazyFire HD Compact Binoculars for Adults,10×50 Wide-View Binoculars with FMC Lens, Travel Binoculars for Bird Watching,Hunting,Sports Events

Specification material?ABS magnification?10x lens material?BAK7 waterproof grade?IP4 field angle?7.2degrees exit pupil distance?17mm eyepiece diameter?26mm weight of binoculars?2.2lb focus system? center and right eye view of field?183ft/1000yds objective lens diameter:50mm objective lens coating: FMC broad How to care for binoculars 1.Store binoculars at moisture-free place 2.Cover the lens ( that come with the binoculars)and put it in a dry place if it is long term unused Wipe the lens with dry or clean cloth.,if there are some stubborn stains, please use the cloth to dip some alcohol. It would be easy to remove How to use the binoculars 1.Bend the binoculars to adjust eye width until you can get a single circular view 2.Close your right eye and focus with the left eye,rotating the central focus wheel until the image is clear 3.Close your left eye and rotate the right eyepiece focus ring until the image is sharp and clear Package include 1x cloth bag 1x binoculars 1x clean cloth 4x lens coversl 1x user manua 1x anti-lost strap 1x smartphone adapter