Description
Product Description 10x42mm HD large magnification large objective binoculars Feature: Roof structure and IPX7 waterproof with filling nitrogen Pure optical fully multi-coated lens and sharp and clear imaging Wide angle large field of vision, comfortable and long eye relief, humanized observation experience; myopic users do not need to remove glasses to enjoy easy observations. The eye relief can reach 16.9mm and kilometer field of view up to 101m Multiple gears and twist-up eyecups is suitable for people with different visions Full texture of all metal focusing wheel with better interlocking and diamond pattern design, bringing handy operation experience The skin made of rubber not only can protect the product effectively, but also hold the handle comfortably at the same time Deeper eyecups design with 9.5 mm reduces the probability of dark shadow in the field of vision Note : The volume of 10X42 is moderate, the imaging jitter is slightly larger, suitable for the people who pursuit of magnification and the stability of the arm is also good, it is suitable for bird watching, stargazing, etc. BAK4 has a high refractive index and lower critical angle than other materials, which means it transmits light better with less light being lost due to internal reflection such as from internal bubbles trapped during the manufacturing process. Fully Multi-coated Glass means multiple coatings on all lens surfaces. And all air-to-glass surfaces are anti-reflective multi-layer coated. And fully multi-coated objective lens increases the light transmission, delivers bright, clears and crisps images even in low-light conditions. The optical structure uses a 3-piece objective lens, a focusing lens, a set of high-precision roof prisms, and a 4-piece 3-group eyepiece. Usually, the objective lens of binoculars is two-piece, and this three-piece type can reduce the aberration and improve the image quality better. Wide angle large field of vision, comfortable and long eye relief, humanized observation experience. Multiple gears and twist-up eyecups are suitable for people with different visions, and myopic users do not need to remove glasses to enjoy easy observations. So whether you wear glasses or not, you can find the comfortable observation position by adjusting the eyecups. The skin is made of rubber and that not only protects the product effectively, but also holds the handle comfortably at the same time. about svbony