Barska 10 x 40 Blueline Monocular Item Number: 85797
Close focus monocular.Fully coated.Large 40 mm objective lens.Perfect for birding or nature studies.Carrying case included.Magnification: 10 x.Objective Lens: 40.Prism type: roof.Prism glass: BK-7.Exit Pupil: 4.0.Focus system: eyepiece.Field of View: 288/96.Close Focus: 7 ft.Eye relief: 18 mm.Size: 6.5 in. x 2 in.Weight: 9 oz.