Legendary Pentax lens which delivers superb images. Very sharp especially when slightly stopped down. Smooth operating focus and aperture.  It is the perfect partner for the Pentax K1000, offering a standard focal length and an aperture of F1.4 for low-light scenarios. The lens has a sturdy metal build, manufactured in Japan, Optically and cosmetically, this lens is in excellent condition, making it a great addition to your K-mount Pentax camera. Don't miss out on the opportunity to own this classic lens. Add the option of a Kmount - E mount adapter and you can use the lens with your Sony full frame with focus peaking. Highly recommended.