JIEZM Binoculars, 10-30X50 Continuous Zoom High-Definition Night Vision Telescope, Large-Caliber Binoculars, for Adults Bird Watching, Traveling, Hiking - JXL8WYJ478

• FMC all-optical multilayer coating: the lens is made of all-optical glass, FMC multilayer coating, the image is transparent, the color is sharp, and there is no chromatic aberration. BAK4 optical prism: The refractive index of BAK4 prism is higher than that of BK7, which can effectively improve the transmittance, and the image will be clearer and more transparent. 50MM large objective lens: adopts a large-aperture objective lens of 50MM, with large luminosity, high brightness, brighter and clearer imaging colors, and no chromatic aberration. Swivel-up eyecup design of the eyepiece: For people with normal vision, please turn up the eyecup when using it. , People who wear glasses don't need to lift the eye mask when using it. Wide application: very suitable for reconnaissance, camping, exploration, outdoor adventure and night navigation, fishing, wildlife observation.