Fotodiox Pro Lens Mount Adapter, Contax / Yashica (CY) Lens to Nikon F-Mount Camera such as D7200, D5000, D3000, & D90 DX Fotodiox Pro Grade Adapter, Premium Craftsmanship No Play Adapter, Infinity focus allowed Made from Heavy Duty Brass with Steel Finishings Built-in 1.4x Multi-Coated Focusing Correction Lens 24 Month Manufacturer Warranty