Compatible with Minolta MD lenses on Canon EOS EF/EF-S DSLR cameras; Infinity focus allowed – 1.4x optic corrects focus Enhanced craftsmanship and high-tolerance construction for demanding professionals Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required Precision all-metal construction with chrome plated brass mounts for secure and solid fit Limited 2-Year Manufacturer Warranty