More from Amazon.com : http://www.amazon.com/gp/product/B00LXJZQ38?tag=purrfectcatdi-20

Fotodiox Pro Lens Mount Adapter with Aperture Control Ring - Deckel-Bayonett (Deckel Bayonet

Fotodiox Pro Premium Grade No Play Adapter
Top Notch Craftsmanship Infinity Focus Guaranteed
Heavy Grade Brass Construction with a Smooth surface for effortless mounting
Built-in Aperture Controller Click or De-Clicked Switchable
24 Month Manufacturer Warranty