1. BAK4 high-transparency prism with high refractive index has a light transmittance of over 95%, and the image is transparent and bright without chromatic aberration and without vignetting 2. Share with others for more than just a moment. It can be connected to a mobile phone to take pictures and record videos, so that the beauty can be shared together 3. Wide-angle design with a wide field of vision and no fatigue 8.2 wide-angle + 13.2mm eyepiece, comprehensively enhance the visual experience 4. Clear imaging multi-layer purple-red coating has a high light transmission rate, sharp and bright imaging, and high-definition does not hurt the eyes 5. Life is waterproof, easy to use and easy to deal with outdoor environments, ensuring the normal use of the telescope Product Description Structure: Binoculars Function type: low-light telescope Instrument magnification: 10 Exit pupil distance: 15mm (mm) Exit pupil diameter: 7mm (mm) Field of view: 100m/1000m Resolution: 50 Specifications: Telescope Color: Black Material: plastic Package Contents: 1 x Telescope 1 x Cleaning Cloth 1 x Lanyard 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.