Canon 10x30 IS II Image Stabilized Binocular - Exclusive Outdoors Binoculars Kit Overview:Vari-Angle Prism Image StabilizationEco-Friendly Lead-Free GlassSuper Spectra Multicoated OpticsDoublet Field-Flattener LensesApparent Angle of View: 60?Center Focus WheelRuns on Two AA Alkaline / NiMH Batteries