Feature: * Auto Focusing : Fixed focus easy to use, ideal for viewing fast moving targes without adusting focus frequently. * No Diopter Adjustment: The focal length of binoculars is fixed and it is designed for viewing from a distance.The best use distance for this Fix-focus binoculars is to observe objects up to 80ft away. * Optimum Eyepiece Size and Wide Bright Vision: with 42mm objective lens, 10x magnification, real visual experience, and a large viewing angle of 5.8,which brings you 304ft/1000yds high definition and large view, good for fast moving subject With twist-up eye cup on the binoculars, can eliminate stray light and is friendly to those who wear glasses. * High Contrast Optics: With BAK4 Prism have high refractive index, clear image, full color, high degree of reproduction and no dark edge; FMC Full Multi-Layer Coating glass lens can reduce glare and protect our eyes. Clear Low Light Vision, the binoculars deliver brighter vision in weak light condition (e.g. Twilight), but not for completely dark night. * Comfortable Touch and Durable: Are made of ABS plastic with a cruise binocular strap is easy to carry;Anti-slip design of the mirror body, comfortable grip. * Ergonomic Design: The roof ridge design can adjust the eye distance according to the size of the eye distance of different people with 1/4 thread, can be connected to the tripod, freeing hands for long-term observation. Eyepiece and objective lens are FMC multy-layer coating,high transmittance,bright and sharpimaging BAK4 Prism that maximizes light transmission. Can removes glass effctively internal lighting reduces light losses. Auto focusing, ideal for viewing fast moving targets without adjust focus frequent The skin made of rubber not only can protect the product effectively, but also hold the handle comfortably at the same time. Humanized design, shockproof and non-slip grip. Unique Details Suitable for children and adults Twist-up eye cups Perfect adapt to standard 1/4 interface the tripod Neck strap loop Circular thumb on back Nonslip rubber design