Meade has designed these 10x50 TravelView Binoculars to bring you sharp, bright optics right at your fingertips! These classic Porro prism binoculars are rubber armored to provide a good grip and protect them from the normal bumps of everyday use. A large centrally located focus knob is easy to reach while you are using the binoculars, and makes an adjustment to focus smoothly and easily. The large 50mm optics will gather lots of light, while the 10X magnification is easy to hand-hold and produces a super bright 5mm exit pupil. This is the size of the beam of light that reaches your eyes. A 5mm exit pupil will match up nicely with eyes that are dilated during low light conditions. You will find that these 10x50 TravelViews work well for astronomy, too!