PK-AI Lens Mount Adapter Ring with Optical Glass for Pentax K Mount Lens to Fit for Nikon AI F Mount Camera Body Focus Infinity

Features: Made of brass and aluminum, very durable. Contains corrective glass lens. Suitable for Pentax K mount lenses to mount for Nikon AI F mount cameras, such as D700, D300, D3. Only manual focus is available. The lens mount adapter is manual so focusing will have to be preset. Allow focusing to infinity. Discounted at only: US$ 30.28