1Multilayer antireflection green film ensures ultrahigh light transmittance, bright and clear imaging. 2Large hand wheel design, the focus can be accurately adjusted by gently flipping the focus wheel with the index finger, and the picture is clear and bright. 3PVC rubber decorative leather, nonslip pattern design, beautiful and durable, easy to carry. 4It can be connected with a tripod and used with a mobile phone, making the shooting and imaging more stable and clear. 5It can be used for sightseeing, concerts, singing and dancing performances, and outdoor observation. Mountain climbing, fishing, hiking.Item Type: 10x42 Monocular Color: Black Material: Rubber Magnification: 10x Objective Lens Diameter: Approx. 42mm/1.7in Eyepiece diameter: Approx. 20mm/0.8in Bilateral Eyepiece: 2 Groups 3 Pieces Bilateral Objective Lens: 1 Group 2 Pieces Prism: BK7 Coating: FMC Field of View Angle: 5.6 Exit Pupil Distance: Approx. 15.5mm/0.6in Exit Pupil Diameter: Approx. 4.2mm/0.2in Weight: Approx. 322g/11.4oz 1 x Monocular 1 x Storage Bag 1 x Sweeping Cloth 1 x Lanyard 1 x Instruction 1: Avoid preventing damage to the internal lens caused by falling everywhere2: Keep away from the fire source to avoid damage to the eyepiece lens