Main Features:<br />5 sized lens: 2X， 3X， 4X， 5X， 6X<br />Rotating the lens tube to continuously change the magnification factor<br />Night vision design， clear looking targets even when there is little bright light around objects<br />High magnification design to meet the need for weak sight person or the close / far observation of the object<br />The visual aid telescope apply to medical treatment / biology / horologe / printing etc.<br /><br /><br /><br /><br /><br /><br />    Specifications<br />General<br />  Brand: BIJIA                                                  <br />                        Type: BiNoculars                                                  <br />                        For: Bird watching， Auto racing， Horse racing， Boating/Yachting， Hunting， Outdoor activities， Theater， Sports， Beach                                                  <br />                        Material: Rubber                                                  <br />                        Focusing System: Binocular Focus                                                  <br />                        Amplification Factor: 2.5X – 15X                                                  <br />                        Color: Black                                                 <br />Specification<br />  Objective Lens (mm) : 11 mm                                                  <br />                        Field Angle(degree): 10.5 Degrees                                                 <br />Basic Information<br />  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                                                  <br />                        Product weight   : 0.150 kg                                                  <br />                        Package weight   : 0.330 kg                                                  <br />                        Product size (L x W x H)   : 19.2 x 14.7 x 3.4 cm / 7.55 x 5.78 x 1.34 inches                                                  <br />                        Package size (L x W x H)  : 21 x 5.6 x 7.2 cm / 8.25 x 2.20 x 2.83 inches                                                 <br /><br /><br /><br />                                                <br />