The Sigma 200mm lens is a telephoto lens designed for cameras, primarily used in photography to capture distant subjects with clarity. It features a focal length of 200mm, making it ideal for wildlife, sports, and portrait photography. The lens is known for its sharpness and ability to produce high-quality images, even in low light conditions. This lens is compatible with various camera systems, including Canon, Nikon, and Sony. It often includes advanced optical technologies to minimize distortion and enhance color accuracy. Photographers appreciate its robust build quality, making it suitable for both professional and amateur use.