2. The objective lens adopts FMC broadband coating green film, and adopts the high-end telescope coating technology, theis clear and transparent, the color is no chromatic aberration and transparent, 1. Product size: 110X98X48MM, exit pupil diameter: 2.5MM, exit pupil di: 20MM, objective lens diameter: 25MM, eyepiece diameter: 1M, 4. binoculars can withstand the impact of falling, binoculars are protected by shock-proof design, 3. High-definition broadband coating, applying the coating technology of middle and high-end telescopes to this product, with high light transmittance and clear and bright imaging. Particularly suitable for outdoor activities such as mountaineering, hiking, driving, wildlife viewing and scenic appreciation.