1.HIGH CONTRAST AND RESOLUTION PICTURE: The latest optic technology, HD monocular telescope equipped with BAK-4 prism and full muti-coated lens, ensures superior light transmittance and brightness and light permeability reaches up to 99.5%.Our monocular has low light night vision, it can help you see things in low light ( can not see a single ing in total darkness), give you a great viewing experience. 2.Multi-coated FMC Green Film: - The telescopic eyepiece is made of full optical glass lens.And the eyepiece of the monocular is also plated with multi-coated FMC green film, which has the characteristics of good light transmittance and no color difference. 3.12x magnification, provide a clear and bright image, enjoy the beauty of distance. monocular telescope has large field of view, has the view in your outdoor adventures. 4. and Easy to Focuse: Compact and sturdy body makes it withstand the heavy weather. It can withstand light water but cannot be used in heavy rain for a long time or soaked in the water. One-hand HD focus can see quickly moving objects clearly.