This vintage Konica Hexanon AR 135mm lens is a great addition to your camera collection. It is compatible with Konica Minolta cameras and has a maximum aperture of f/3. The lens is made of aluminum and has a focus type of manual. It also comes with a compatible lens front of 55mm and a compatible filter size of 55mm. The Konica Hexanon AR series is known for its high quality and this lens is no exception. It was made in Japan and has stood the test of time. If you're looking for a reliable telephoto lens, this is definitely one to consider.