Made of high-quality aluminum alloy, this product is strong and durable. Suitable for Minolta MC MD lenses and Nikon NF AI AIS DSLR cameras. Fully manual operation; built-in macro focus helical provides macro focusing capability. Precise fit and solid connection; the lens has no play, gaps, or wobble when mounted on the adapter, and no adjustments are necessary. Precision all-metal construction with chrome-plated brass mounts for a secure and reliable fit. Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement.