Be it the stars high above or vast landscape, the SkyMaster 20-100x70 binocular brings your fantasies closer to you – at least virtually. This high performance Celestron SkyMaster is simply ideal for long-distance viewing. Experience enhanced contrast with the BAK-4 prisms and multi-coated optics. Thank the large aperture of this Celestron binocular that makes it apt for stargazing and dim-lit conditions. All you those who are spectacled, the SkyMaster 20-100x70 features long eye relief. Tune and tweak your focus with the help of the diopter adjustment of this Celestron SkyMaster. So, enjoy your long terrestrial or astronomical viewing sessions as this Celestron binocular is well-engineered for the same.