Fotodiox Pro Lens Mount Adapter - Konica Auto-Reflex (AR) SLR Lens to Sony Alpha A-Mount (and Minolta AF) Mount SLR Camera Body Mounts Konica Auto-Reflex (AR) SLR lenses to Sony Alpha A-Mount (and Minolta AF) Mount SLR Cameras Enhanced craftsmanship and high-tolerance construction for demanding professionals; infinity focus or beyond allowed Precision all-metal construction with chrome plated brass mounts for secure and solid fit; no adjustments required 1.4x Multi-Coated Focus Correction Lens ; removable for macro capability 24-Month Fotodiox warranty