Magnification:10 x magnification with 25 mm objective lens.Large Field of View：114m/1000m,Focusing in on your target for brilliant detail at 1000 yards out. Exit Pupil Distance: 20mm. Enjoy much longer distance, more distinct, high magnification and clear optical performance.FMC Technology with BAK4 prism which can 100% reflect the light to keep a good image (while don't forget to adjust the knobs to fit different view distance). Large Objective lenses 25MM and Ocular Lenses 15MM provides the brighter and sharper image without any color difference.10x25 binoculars have a center-post mechanism, along with a diopter corrector to allow for one of your eyes being stronger or weaker than the other. Easy adjustment and rapid focusing with the focus wheel, fast adjust the focal length. Adjustable eye widths, makes this Optics Binoculars Telescope suitable for both adults and kids.Natural rubber material prevents it to slip or shake. they will be less susceptible to the effects of shaking hands.And include rubber eye cups around the eyepieces to help you seat the eyepieces over your eyes when using the binoculars.Can be folded up very small so that easy to slip into a pocket or bag and then come in their own storage bag. It is compact & light-weight, and the carrying strap makes this binocular easy to carry. Perfect for campers, hunters, sports. Excellent for Kids Watching dolphins, Seabirds, animals,etc.