10x42mm Powerful Binoculars :A magnification of 10 means that the observation target of 100 meters is equivalent to about 10 meters. Binoculars can deliver a clear vision in a low-light condition, but not in total darkness. Perfect for Hunting or Concerts at night.19mm Large Eyepiece, 367ft/1000yds Large field of view :2.25 times the image size of 12mm eyepiece (e.g. 10x25, 12x25, 10x21 binoculars). The large eyepiece makes full use of the 10 times magnification to provide a larger image and ensure clearer details.Super Bright, Sharp View with 16.5mm Big Prism provides you with higher color fidelity degree. It collects 32% more light than 12.5mm prism lens (e.g. 10x25, 12x25, 10x21 binoculars). 16.5mm Prism lens take advantage of 42mm objective lens collecting more lights and delivering a brighter view.Easy to carry :Binoculars with only 1.20lbs (545g) is perfect for traveling or hunting. 42 mm objective lens diameter is just the right size to keep things bright and clear while still being portable.Durable and Waterproof:Powerful fitting protection allows it to withstand extreme weather conditions. The shock-absorbing rubber outer layer provides maximum protection for the binoculars.