The Kepler Optics BR series is a range of traditional style Porro Prism Binoculars featuring good quality. BAK7. Prism was combined with a fully covered lens. These binoculars are an excellent value high power model designed for aviation, ship and long distance viewing. Rubber armor gives a comfortable feel to the hardly constructed body. Each model in the range can be mounted on a tripod. This combination of great value for money and comfort, easy to use size makes this a perfect entry model. Please note - UV resistant coating reduces glare and gives sharp images in bright, cloudy conditions. Some sellers claim that they do not help with low light performance or give the "night vision" properties of the binoculars. In fact, binoculars are not suitable for low-light work. It is a convenient feature like a flat spotting that will allow you to see a crisp and bright sky.