APEXEL 10x42 Fixed Focus Binoculars Autofocus Telescope Features: 1. No need to manually adjust the focus, it can be used directly, with a clear field of vision, which is a good helper for observing high-speed moving targets 2. Wide range of applications, easy to deal with various fast-moving scenarios, high-speed racing, horse racing, hurdle racing, airplane performances, eagle hunting, etc. 3. Multi-coated optics provide superior light transmission and image brightness 4. The mirror body is made of environmentally friendly rubber skin, comfortable to hold, non-slip and sweat-proof 5. Other functions: the mirror body can be folded to adjust the distance, the eyecup can be rotated up, and a tripod can be connected parameter: 1. Multiplier: 10x 2. Objective lens: 42mm 3. Focus: 3m (nearest) 4. Field of view: 303101ftm 5. Exit pupil distance: 15mm 6. Exit pupil diameter: 4.1mm 7. Prism System: Roof Ridge 8. Lens: BAK-9 9. Field of view: 5.8 degrees 10. Lens coating: FMC 11. Dimensions: 144 x 127 x 54 mm Product accessories: autofocus telescopelanyardcloth baginstruction manualwiping clothouter packagingeyepiece dust coverobjective lens dust cover