If you're in search of a versatile zoom lens for your Pentax K mount camera, the Kiron 80-200mm f/4.5 macro zoom lens is a great option. This lens is compatible with Pentax K mount cameras as well and has a maximum aperture of f/4.5, making it suitable for a variety of lighting conditions. With a focus type of manual, you have complete control over your shots while the zoom range of 80-200mm allows you to capture both wide-angle and telephoto shots. The lens is also compatible with 55mm filters, giving you the opportunity to experiment with different effects. It also offers a macro close up shooting to a 1:4 ratio. Front glass elements show major fungus spots. This item is offered in "AS IS" condition. NO RETURNS. Also, no front or back lens caps included.