Multicoated Digital High Definition 2.0x teleconverter. With this high-quality lens converter, the focal length of your camera lens is extended by a factor of 2.0x. The teleconverter connects to the filter thread of your lens and transmits all exposure and distance data, effectively doubling the focal length of the attached lens. An excellent telephoto lens of 150-600mm has been derived from a 75-300mm. This 2x lens converter makes every kind of telephoto lens perfect! A variety of new possibilities opens up for capturing landscapes and nature, such as the moon, animals, etc. Discover new opportunities and experience stunning telephoto shots in brilliant quality and clarity.