This Sigma zoom lens with a focal length of 100-300mm and a maximum aperture of f/4.5-6.7 is a great addition to any photographer's gear. The lens is compatible with Pentax K mount cameras and is made in Japan. Its focus type is zoom which allows for more flexibility in shooting. The lens is perfect for capturing distant subjects such as wildlife, sports, or even landscapes. The lens is in excellent working condition and is ready to use.