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 large wide-angle + 13.2mm large eyepiece, comprehensively enhance the visual experience 4. Clear imaging multi-layer purple-red coating has a high light transmission rate, and bright imaging, and high-definition does not hurt the eyes 5. Life is waterproof, easy to use and easy to deal with various bad outdoor environments, ensuring the normal use of the telescope Product 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.