Waterproof, & nitrogen-purged to prevent fogging, the Echelon 10x 70 binoculars by Celestron are perfect for low light observation & astronomy. Constructed from lightweight aluminium alloy, the binoculars have a durable rubber armour covering for a slip-free grip & added protection, & boast superior Ba K-4 prisms for maximum contrast & sharpness. They are h&-assembled in the USA & utilise Celestron's proprietary XLT coating technology for amazing optical performance. As well as this, the 7mm exit pupil means that the Celestron Echelon 10x 70 Binoculars will deliver the maximum amount of light that your pupils can accept, allowing you to see as much detail as possible. The 10x 70 model offers the lowest magnification of all the Echelon models, giving it the widest field of view & making it ideal for people who are new to high-power, large-aperture binoculars.