Fotodiox Pro Lens Mount Adapter - Kodak Retina, Deckel-Bayonett, and Voigtl&auml;nder Lenses to Nikon F Mount SLR Camera Body with Selectable Clicked / Declicked Aperture Control Premium-grade Fotodiox "Pro" adapter Smooth surface for effortless mount Infinity focus allowed Brass Construction 24 Month Manufacturer Warranty