Barr and Stroud Skyline 10x42 Binoculars Barr and Stroud our proud of our entry level range of Skyline binoculars. Just because this where the Barr and Stroud range begins don't be fooled into thinking that they are not fully featured binoculars just check the specifications out for yourself! 1.They have multicoated optics. This means that a greater amount of the light falling on the objective lens is transmitted to the users eye, making the image brighter and more contrast rich. 2.They are Nitrogen filled. This means that they won't suffer from internal fogging if you take them from one extreme of temperature to another. 3.They are waterproof. They have been tested in 1.