Canon 75-300mm F/4.0-5.6 III Full Frame Auto Focus EF Mount Telephoto Zoom Lens
Canon EF 75–300mm f/4–5.6 III Lens. The lens is fully functional, though the zoom operation feels slightly rough. Autofocus works normally. Autofocus: Working normally. Works on Canon EOS R-series mirrorless with an EF–RF adapter.