Orion 10-25x42 Zoom Waterproof Monocular (Black) Waterproof zoom monocular with a magnification range of 10x to 25x power Big 42mm multi-coated objective lens provides bright and clear daytime views Conveniently compact at less than 7 inches long and lightweight at just 12 ounces Very short near focus distance of just 20 inches - like having a microscope in your hand! Includes soft nylon case with belt loop and carrying wrist-strap