Main Features‎:‎5 sized lens‎:‎ 2X‎,‎ 3X‎,‎ 4X‎,‎ 5X‎,‎ 6XRotating the lens tube to continuously change the magnification factorNight vision design‎,‎ clear looking targets even when there is little bright light around objectsHigh magnification design to meet the need for weak sight person or the close / far observation of the objectThe visual aid telescope apply to medical treatment / biology / horologe / printing etc‎.‎ Brand‎:‎ BIJIA Type‎:‎ Binoculars For‎:‎ Auto racing‎,‎Beach‎,‎Bird watching‎,‎Boating/Yachting‎,‎Horse racing‎,‎Hunting‎,‎Outdoor activities‎,‎Sports‎,‎Theater Material‎:‎ Rubber Color‎:‎ Black Amplification Factor‎:‎ 2.5X – 15X Objective Lens ‎(‎mm‎)‎ ‎:‎ 11 mm Field Angle‎(‎degree‎)‎‎:‎ 10.5 Degrees Package weight‎:‎ 0.320 kg Product size ‎(‎L x W x H‎)‎‎:‎ 19.20 x 14.70 x 3.40 cm / 7.56 x 5.79 x 1.34 inches Package size ‎(‎L x W x H‎)‎‎:‎ 21.00 x 5.60 x 7.20 cm / 8.27 x 2.2 x 2.83 inches Package Contents‎:‎ 1 x BIJIA 2.5X – 15X Telescope‎,‎ 2 x Lens Cover‎,‎ 1 x Hang Strap‎,‎ 1 x Lens Cloth‎,‎ 1 x Storage Bag‎,‎ 1 x Leather Case‎,‎ 1 x 2X Lens‎,‎ 1 x 3X Lens‎,‎ 1 x 4X Lens‎,‎ 1 x 5X Lens‎,‎ 1 x 6X Lens