This Sigma zoom lens with a multi-coated surface is perfect for Minolta cameras. It has a maximum aperture of f/3.5-4.5 and a focal length of 28-85mm, making it a versatile lens for any photography needs. The focus type is manual and it has a Pentax K mount. The lens is made of sturdy aluminum and was manufactured in Japan. It is a great addition to any photographer's collection.