Structure Binoculars Purpose/ Telescope. Multilayer Coating - Professional multi-layer coating can the performance of the telescope optical system, make the more transparent and , and the color reproduction10X42 focus-free telescope. Capture great footage of high-speed motion. The bracket interface can be connected to the tripod adapter. The is lighter and more portable than the 50 , clearer and brighter than the 32 . It is just the right , and the weight and volume are reduced under the premise of ensuring that the is clear enoughThe -10X42A fixed focus telescope is perfect for observing fast moving targets. When viewing fast-moving targets, conventional focusing telescopes need to continuously adjust the focus to capture a clear field of , and face high-speed motion.There is simply "no way" when it comes to the goal. And this fixed focus telescope (-10X42A) has precise fixed focus optical path calibration, Provides you with a focus-free operation and a clear at all . Allows you to observe high-speed movement naturally and calmly objects, so you ' miss any great momentsFocus-free optical system, high-definition imaging, transparent field of . When viewing fast-moving targets, no manual focus is required, and the continuous high-definition field of captures the moments of high-speed motion. Suitable for watching , horse , ball games, skiing, surfing, , running animals, roller coasters, fast changing sports, etc.10X magnification focusing system fixed focusExit pupil distance 13.6mmExit pupil diameter 4.0mmObjective lens diameter 42mmEyepiece diameter 15mmEyecups Twist-up Eyecups Lens Coating system material -9 5.8 304ft/1000yds(101m/1000m)Feature Type: Autofocus TelescopeColour: BlackMaterial: ABSSize: 144mm x 127mm x 54mmPackage Contents:1 x Telescope1 x cloth bag1 x lens cleaning cloth1 x lanyard1 x eyepiece protective cover1 x objective lens protective coverOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.